Series 2 · Commercial leasing

The Tenant's Five-Day Fuse

Q41Four 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 direct Lantern Row to pay the full $160,000 by March 6 under a reservation preserving the March claim, cure insurance promptly, document the excused operating closure, reject February relief, and submit final March sales by April 10 for a $48,000 credit if the below-70% threshold is proven. Both also preserve possession and the guaranty cap by curing rather than withholding and by avoiding holdover after any valid termination.

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 41: The Tenant's Five-Day Fuse

Your role

You represent Lantern Row Markets, a commercial tenant operating a grocery store in a regional shopping center in the fictional State of Ardell. The landlord has served monetary and nonmonetary default notices. Lantern Row claims a co-tenancy rent reduction, but the sales figure needed to trigger it is not yet in the file.

Governing law

Assume the following Ardell rules and lease terms apply:

  1. A monetary default occurs if rent remains unpaid five calendar days after the tenant receives a written default notice. The day of receipt is excluded. Payment under written protest preserves a contractual offset claim unless the tenant signs a release.

  2. A nonmonetary default is cured if the tenant corrects it within fifteen calendar days after notice. If cure reasonably requires more time, no default occurs when the tenant begins within fifteen days and proceeds continuously and diligently.

  3. Strict compliance with the lease's notice address and delivery method is required before termination. Acceptance of rent after notice does not waive default when the landlord gives a contemporaneous reservation of rights.

  4. Force majeure excuses delayed performance other than payment of money unless the lease expressly says otherwise. Business interruption does not itself excuse base rent.

  5. The lease's co-tenancy clause reduces base rent to 60 percent for a calendar month only when: (a) the named anchor has been closed for the entire month; and (b) Lantern Row's gross sales for that month are below 70 percent of gross sales for the same month of the prior year. Both conditions are required.

  6. A tenant claiming reduced rent must deliver the monthly sales statement within ten days after month end. If the statement later proves the threshold, overpaid rent is credited against the next installment.

  7. The parent guaranty is capped at six months of base rent and operating charges. If Lantern Row remains in possession after a valid lease termination and fails to vacate by the stated surrender date, the cap falls away and the parent guarantees all post-termination obligations.

  8. The landlord may not lock out the tenant or seize inventory before valid termination and a court possession order.

  9. A tenant should cure undisputed defaults before litigating a disputed offset when failure to cure would enlarge guaranty exposure or terminate possession.

Facts

Lantern Row's monthly base rent is $120,000. It withheld the March rent after the center's named anchor, Hartwell Department Store, closed on February 12. Lantern Row also withheld $40,000 from February rent, asserting that February qualified for co-tenancy relief.

The landlord's notice was delivered to the lease notice address on Monday, March 1. It demands the unpaid $160,000 and states that termination will follow if the monetary default is not cured. The notice also identifies two nonmonetary defaults:

  • Lantern Row allowed its liability insurance certificate to expire.
  • Lantern Row closed the store for four consecutive days after a refrigeration failure, although the lease requires daily operation except during force majeure.

The replacement insurance policy can be bound within 48 hours. Refrigeration repairs are complete, and the store reopened before the notice was served. The lease defines unexpected major equipment failure as force majeure, but not failure to pay money.

The landlord's notice states that, if uncured, the lease will terminate on March 20 and Lantern Row must surrender on March 23. The parent company signed the capped guaranty described in rule 7.

Hartwell was open through February 12, so it was not closed for the entire month of February. It will be closed for all of March. Lantern Row's March sales statement will not be final until April 4. Preliminary point-of-sale data suggest March sales may be between 66 and 74 percent of March last year. The exact figure is not in the supplied record.

Lantern Row has enough cash to pay $160,000, but its chief executive wants to pay nothing and remain in possession, saying the co-tenancy clause "obviously covers both months." The landlord has not yet filed for possession and offers to discuss a prospective rent adjustment if the defaults are cured.

Assignment

Provide an ordered default-response plan addressing:

  • The monetary cure deadline from the March 1 receipt date.
  • The nonmonetary cure deadline and the steps for insurance and operating compliance.
  • Whether February qualified for co-tenancy relief.
  • Why March relief cannot yet be decided and the exact sales information required.
  • Whether Lantern Row should pay the $160,000 under protest, withhold some amount, or pay nothing.
  • How and when to submit the March sales statement and claim any credit.
  • The termination and surrender dates.
  • The capped guaranty and the consequence of remaining after a valid termination.
  • The landlord's limits on self-help.
  • The concrete sequence that best preserves the lease, the offset claim, and the guaranty cap.


Read the sealed key

Q41 key (Tenant's Five-Day Fuse)

  1. Excluding March 1, the five calendar days are March 2 through March 6. Lantern Row must cure the monetary default by March 6. Missed: the lease reaches termination posture while the tenant debates an unripe offset.
  2. February does not qualify because Hartwell was not closed for the entire month, so the $40,000 February withholding is not supported. March may qualify only if final sales are below 70 percent of March last year. Missed: a clear February default is treated as disputed.
  3. The March trigger cannot be decided from a 66-to-74 percent estimate. Obtain and certify the final March gross-sales comparison, then deliver the statement by April 10 and claim any next-rent credit. Missed: relief is assumed or forfeited without the required data.
  4. Pay the full $160,000 by March 6 under an express written protest preserving March and other offset rights. Force majeure may excuse the temporary closure but not money. Missed: Lantern Row risks the lease and guaranty over an amount it can recover by credit if proved.
  5. Bind replacement insurance immediately and document that the refrigeration closure was cured before notice and resulted from defined force majeure. In any event, complete or begin all nonmonetary cure by March 16. Missed: a curable technical default supplies an independent termination ground.
  6. If termination validly occurs March 20, surrender by March 23. Remaining after that date removes the six-month guaranty cap and exposes the parent to all post-termination obligations. Missed: a controlled guaranty becomes open-ended.
  7. The landlord cannot lock out or seize inventory without valid termination and a possession order, but that is not a reason to hold over. Missed: self-help limits are confused with a right to remain.
  8. Sequence: wire under protest, cure insurance, confirm operating cure, reserve co-tenancy rights, finalize March sales, submit by April 10, negotiate prospective adjustment, and prepare orderly surrender only if termination survives cure. Missed: the tenant chooses maximal withholding over preservation of its business location.
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 direct Lantern Row to pay the full $160,000 by March 6 under a reservation preserving the March claim, cure insurance promptly, document the excused operating closure, reject February relief, and submit final March sales by April 10 for a $48,000 credit if the below-70% threshold is proven. Both also preserve possession and the guaranty cap by curing rather than withholding and by avoiding holdover after any valid termination.

[A] rejected: “strict-compliance risk appears low” — record lacks the required delivery-method facts.
[B] rejected: Lantern Row apparently failed to deliver a February sales statement — record lacks any fact about February statement delivery.
[B] rejected: uncapped exposure may include accelerated remaining-term rent and specified reletting costs — record lacks the governing post-termination obligation terms.

Failed candidates. March 15 versus March 16 internal nonmonetary deadline — different conduct failed because both require insurance cure by March 3 and closure documentation no later than March 16.
Failed candidates. Protest treatment of the February payment — concrete consequence failed because February is paid in full and no valid February offset exists.
Failed candidates. Handling of a later disputed March credit — likelihood failed because both warn against creating a new monetary default and preserve the credit as a claim.
Failed candidates. B’s proposed injunction and conditional-surrender preparation — record support failed because no post-cure termination dispute is established.
Failed candidates. B’s additional sales, insurance, governance, and operational details — concrete consequence failed because they do not change the required cure, submission, credit, or surrender decisions on this record.

Hard stop. It cannot be completed because no difference between the answers produces a concrete, record-supported consequence for Lantern Row.
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 direct Lantern Row to pay the full $160,000 by March 6 under a reservation preserving the March claim, cure insurance promptly, document the excused operating closure, reject February relief, and submit final March sales by April 10 for a $48,000 credit if the below-70% threshold is proven.Judge record
Qwen 3.8 27B vs DeepSeek V4-Flash-0731Functional tieBoth answers direct Lantern Row to pay $160,000 by March 6 under protest, cure and document the nonmonetary issues promptly, submit final March sales data by April 10, claim any proven $48,000 credit, and avoid holding over after valid termination.Judge record
Qwen 3.8 27B vs Qwen 3.5 27BFunctional tieBoth answers direct Lantern Row to pay the full $160,000 by March 6, promptly cure and document the nonmonetary issues, reject February relief, await final March sales, submit the statement by April 10, and avoid post-termination holdover.Judge record
DeepSeek V4-Flash-0731 vs Claude Opus 5Functional tieBoth answers direct Lantern Row to pay $160,000 under protest by March 6, cure and document the nonmonetary issues by March 16, reject February relief, submit final March sales data by April 10, claim any proven $48,000 credit, and avoid possession after a valid termination.Judge record
DeepSeek V4-Flash-0731 vs Qwen 3.5 27BFunctional tieBoth readers would pay the full $160,000 under written protest by March 6, cure and document the nonmonetary issues by March 16, remain in possession only while the lease remains valid, and submit final March sales data by April 10 to claim any proven $48,000 credit.Judge record
Qwen 3.5 27B vs Claude Opus 5Functional tieBoth answers direct Lantern Row to pay the full $160,000 under protest by March 6, cure and document the nonmonetary matters by March 16, remain in possession, preserve the guaranty cap, and timely claim a $48,000 next-installment credit only if final March sales are below 70% of prior-year March sales.Judge record
Rejected-point diagnostic

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

Qwen 3.8 27B2
DeepSeek V4-Flash-07310
Claude Opus 59
Qwen 3.5 27B7

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

Available reasoning traces