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MMLU-Pro / 1807 / A man told his neighbor, "If you will mow my lawn, I will pay you …

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A man told his neighbor, "If you will mow my lawn, I will pay you $50. " The neighbor then purchased gasoline for the mower so he could mow the lawn. The neighbor wheeled his lawn mower to the man's property and started the engine. At that moment, the man suddenly yelled, "I hereby revoke my offer. "If the neighbor thereafter mows the man's lawn, will he recover the $50?
Plain-text mathematical notation (without MathML)
A man told his neighbor, "If you will mow my lawn, I will pay you $50. " The neighbor then purchased gasoline for the mower so he could mow the lawn. The neighbor wheeled his lawn mower to the man's property and started the engine. At that moment, the man suddenly yelled, "I hereby revoke my offer. "If the neighbor thereafter mows the man's lawn, will he recover the $50?
Original LaTeX notation
A man told his neighbor, "If you will mow my lawn, I will pay you $50. " The neighbor then purchased gasoline for the mower so he could mow the lawn. The neighbor wheeled his lawn mower to the man's property and started the engine. At that moment, the man suddenly yelled, "I hereby revoke my offer. "If the neighbor thereafter mows the man's lawn, will he recover the $50?

category

law

options

  1. Yes, because there was an offer for a unilateral contract that became irrevocable prior to the man's attempted revocation.
  2. No, because the neighbor had done nothing more than prepare to accept the offer prior to the man's revocation.
  3. Yes, because the neighbor can sue for breach of oral contract.
  4. Yes, because the neighbor had begun the task before the man revoked his offer.
  5. Yes, under the doctrine of quasi-contract.
  6. No, because there was no written contract and hence no legal obligation for the man to pay.
  7. No, because the neighbor did not get a written agreement from the man.
  8. No, because the man's revocation was effective, since the neighbor had not completed performance.
  9. No, because the man revoked his offer before the task was completed.
  10. Yes, because the neighbor had already incurred expenses in preparation to fulfill the contract.

src

ori_mmlu-professional_law

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Source and history

upstream_id / Original problem ID
1807
task_id
2aebc172-118b-54b5-ac1b-9e2e5e67e2db
task_key
default--test--1807
task_revision_id
1
config / split
default / test

Official source

initial import