Series 1 · Property and housing

The Easement and the Recovery Retreat

Q10Four modelsSix blind pairingsMaterial-outcome scoring

Why this result mattered

Functional tie

The principal comparison placed Qwen 3.8 and Claude under concealed A/B labels.

Both answers place Haven Ridge on the same material path: treat full retreat access at 70 daily trips as unlikely under the express easement, stop unauthorized work, pursue narrowly restored lawful access, and negotiate a recorded expansion with compensation and operational limits while evaluating redesign or alternative access. Both also correctly treat zoning as noncontrolling, prescription and necessity as weak, and the road alterations as creating liability exposure.

Benchmark materials

Prompt and sealed key

The key is an audit reference. It was not shown to the contestant systems and did not determine the comparative verdict.

Read the original matter prompt

Question 10: The Easement and the Recovery Retreat

Your role

You represent the owner of a proposed residential recovery retreat whose only practical access crosses a neighboring farm.

Governing law

  1. The scope of an express easement is determined primarily from its text and the reasonable expectations of the parties when created.

  2. Use may intensify as normal development occurs if the use remains of the same general kind and does not unreasonably increase the burden on the servient estate.

  3. A change in the fundamental character of the use, or an unreasonable increase in burden, exceeds the easement.

  4. Zoning approval does not determine the scope of a private easement.

  5. A prescriptive easement requires open, notorious, continuous, and adverse use for ten years.

  6. Use that begins with permission remains permissive unless the user clearly repudiates the permission and communicates an adverse claim.

  7. An easement by necessity requires unity of ownership before severance and strict necessity at the time of severance. Substantial expense or inconvenience alone does not establish strict necessity.

  8. The easement holder may make repairs reasonably necessary for permitted use but may not materially widen, relocate, or transform the roadway without authority.

  9. Private nuisance requires a substantial and unreasonable interference with another’s use and enjoyment of land. The court balances the gravity of harm against the utility of the conduct. Government permits are relevant but not conclusive.

  10. A party may not use unreasonable self-help to block a valid easement.

  11. Injunctive relief depends on legal entitlement, irreparable harm, balance of hardships, public interest, and the feasibility of narrower relief.

Facts

In 1988, a single owner divided a 300-acre property into:

  • A 290-acre farm, now owned by the Harris family.
  • A 10-acre wooded parcel, now owned by Haven Ridge LLC.

The deed to the 10-acre parcel grants:

“A nonexclusive sixteen-foot easement over the existing farm road for ingress and egress to one single-family residence.”

At the time of severance, the 10-acre parcel contained a small cabin. The cabin was used on weekends. Average traffic was approximately six vehicle trips per week.

There was also an old logging trail leading to the parcel’s eastern boundary. In 1988, the trail could be used by four-wheel-drive vehicles during dry weather. Flooding later destroyed part of it.

For the past sixteen years, Haven Ridge’s predecessors used the farm road for family vehicles, guests, repair workers, propane deliveries, and occasional construction vehicles.

During the first year, a Harris family member wrote:

“You are welcome to use the road as a neighborly courtesy.”

No later written permission was given. Haven Ridge’s predecessors spread gravel on portions of the road each year. The Harris family knew and did not object.

Haven Ridge now plans to operate a twelve-bed residential recovery retreat in the cabin and a new adjoining structure. Residents will live onsite for periods of 30 to 90 days. Staff will work in shifts. Expected traffic is approximately 70 vehicle trips per day, including employees, deliveries, visitors, and occasional ambulances.

The county approved the project and classified it as a single-family residential use under its zoning rules for disability-related group housing.

Before receiving the Harris family’s consent, Haven Ridge widened portions of the road from sixteen to twenty-four feet, removed eight trees, installed drainage pipes, and paved a steep section.

The Harris family blocked the road with a locked gate. It argues that the retreat is a commercial or institutional use beyond the deed and that the increased traffic will interfere with farm equipment, livestock movement, privacy, and safety.

Haven Ridge argues that:

  • The retreat is legally classified as a single-family residence.
  • The existing easement permits all ordinary residential visitors and service vehicles.
  • Sixteen years of broad use created prescriptive rights.
  • Access is necessary because constructing an eastern bridge and obtaining environmental permits would cost approximately $900,000.
  • Blocking access will destroy the project and displace residents who have already signed admission agreements.

The Harris family also alleges nuisance based on projected traffic, nighttime headlights, emergency vehicles, outdoor meetings, and noise. Haven Ridge has proposed quiet hours, downward-facing lighting, scheduled deliveries, and a traffic coordinator.

Assignment

Analyze:

  • The scope of the express easement.
  • Whether the retreat represents permissible intensification or a change in kind.
  • The significance of the county’s single-family classification.
  • Prescriptive-easement and easement-by-necessity theories.
  • The effect of the original “neighborly courtesy” language.
  • Haven Ridge’s maintenance history.
  • Liability for widening, paving, drainage work, and tree removal.
  • The Harris family’s locked gate and right to use self-help.
  • Existing or anticipatory nuisance claims.
  • The likelihood and proper scope of preliminary injunctive relief.
  • The strongest arguments and evidentiary needs on both sides.
  • Whether Haven Ridge should litigate for full access, seek a limited injunction, redesign the project, construct alternative access, or negotiate operational restrictions.
  • A settlement structure that protects Haven Ridge’s access while addressing the farm’s legitimate burdens.

Read the sealed key

Q10 key (Easement and Retreat)

  1. The retreat exceeds the express easement: a staffed twelve-bed facility at roughly 70 trips per day is a change in kind and an unreasonable burden against a one-single-family-residence grant, and the county's zoning classification cannot enlarge the private easement. Missed: the client litigates a scope theory that loses.
  2. Prescription fails: the use began permissive ("neighborly courtesy") and was never repudiated; gravel maintenance is consistent with permission. Missed: a dead theory consumes the case.
  3. Necessity fails: the logging trail existed and was passable at severance, and $900,000 of expense is not strict necessity. Missed: same.
  4. The unauthorized widening, paving, drainage work, and tree removal exceeded the easement holder's rights and create affirmative exposure (trespass, restoration). Missed: the client is surprised by the counterclaim.
  5. The locked gate is unlawful self-help as against residential-scope access; Haven Ridge can obtain limited relief restoring that access, but not 70-trip commercial access. Missed: either party overreads the gate fight.
  6. The nuisance claim is anticipatory and manageable through operational conditions; it is leverage for the farm, not a project-killer by itself. Missed: mispriced risk on both sides.
  7. Injunction outcome: partial at best for Haven Ridge; a court will not compel the servient estate to host the expanded use. Missed: litigation expectations wrong.
  8. Posture: negotiate a recorded access agreement (defined trip caps, hours, road specifications, maintenance and indemnity terms, payment) or redesign toward eastern access; litigation for full access is the losing path, and the settlement structure is the real deliverable. Missed: the project dies in a winnable negotiation.
Blind evaluation record

Direct judge report

The report below is preserved from the Qwen 3.8 versus Claude verdict record.

Read the preserved judge report
TIE, FUNCTIONALLY EQUIVALENT.

Basis. Both answers place Haven Ridge on the same material path: treat full retreat access at 70 daily trips as unlikely under the express easement, stop unauthorized work, pursue narrowly restored lawful access, and negotiate a recorded expansion with compensation and operational limits while evaluating redesign or alternative access. Both also correctly treat zoning as noncontrolling, prescription and necessity as weak, and the road alterations as creating liability exposure.

[B] rejected: numerical litigation and settlement probabilities — record lacks jurisdiction-specific authority, precedent, and empirical inputs.
[B] rejected: Fair Housing Act accommodation theory — record lacks the governing federal rules and jurisdiction-specific authority.
[B] rejected: statutory multiple tree damages, punitive damages, fee shifting, and right-to-farm protections — record lacks the relevant statutes and jurisdiction.
[A] rejected: conversion, waste, and specific diminution-in-value remedies — record lacks the governing remedial law.

Failed candidates.
Gate-relief urgency and certainty — different conduct failed; both lead counsel to seek limited restoration of lawful access rather than full retreat access.
Anticipatory-nuisance characterization — different conduct failed; both lead to mitigation, evidence development, and treatment of projected farm interference as central to easement scope.
Narrow prescriptive pleading in B — concrete consequence failed; the historical ancillary uses are already supportable under the express easement, and no additional right is shown to be preserved.
Immediate remediation offer and litigation hold in B — concrete consequence failed; the record establishes no impending evidence loss or different liability outcome.
Specific 25–35-trip redesign target in B — record support failed; no supplied evidence establishes that threshold as legally permissible, operationally feasible, or financially viable.
Admission-agreement notifications in B — record support failed; the agreements’ terms and applicable consumer or contract rules are absent.
Settlement-detail differences — concrete consequence failed; both recommend the same recorded expansion, compensation, traffic controls, maintenance obligations, and protection against blockage.

Hard stop. The sentence cannot be completed with a concrete, record-supported consequence because both answers would likely cause the reader to pursue the same materially safe litigation, remediation, redesign, and settlement strategy.
Complete comparison record

All six pairings

Every pair of the four model answers was judged independently under the same evaluation instrument.

Open the six head-to-head results
PairingResultWhy it matteredRecord
Qwen 3.8 27B vs Claude Opus 5Functional tieBoth answers place Haven Ridge on the same material path: treat full retreat access at 70 daily trips as unlikely under the express easement, stop unauthorized work, pursue narrowly restored lawful access, and negotiate a recorded expansion with compensation and operational limits while evaluating redesign…Judge record
Qwen 3.8 27B vs DeepSeek V4-Flash-0731Functional tieBoth answers direct Haven Ridge toward the same material path: seek only limited lawful access, halt unauthorized roadwork, treat full retreat access as legally weak, and pursue a recorded negotiated expansion with operational limits, compensation, redesign, or alternative access.Judge record
Qwen 3.8 27B vs Qwen 3.5 27BFunctional tieBoth answers place Haven Ridge on the same material path: full retreat access under the existing easement is unlikely, the fallback easement theories are weak, the road alterations create liability, total obstruction may be challenged, and a recorded negotiated expansion with operational limits is…Judge record
DeepSeek V4-Flash-0731 vs Claude Opus 5Functional tieBoth answers direct Haven Ridge to seek a narrow injunction restoring historical residential access, halt unauthorized roadwork, avoid relying on zoning, prescription, or necessity to support the full retreat, and pursue redesign plus a negotiated easement amendment.Judge record
DeepSeek V4-Flash-0731 vs Qwen 3.5 27BDeepSeek winAnswer A directs Haven Ridge to seek a narrow preliminary injunction restoring permitted residential and emergency access while preserving the dispute over retreat operations.Judge record
Qwen 3.5 27B vs Claude Opus 5Claude winAnswer A directs Haven Ridge to seek an immediate, narrowly tailored injunction restoring historically permitted residential access while preserving the scope dispute; Answer B instead says to “halt litigation posture immediately” and pursue negotiation without distinguishing baseline access from full…Judge record
Rejected-point diagnostic

Judge-attributed rejected points for this matter across all six pairings:

Qwen 3.8 27B2
DeepSeek V4-Flash-07313
Claude Opus 59
Qwen 3.5 27B8

This is a review-burden diagnostic, not a universal hallucination measure.

Available reasoning traces