TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.
PROBLEM: Sentence 1: In providing services and in establishing classifications, rates, and fees under this title, the Postal Service shall not, except as specifically authorized in this title, make any undue or unreasonable discrimination among users of the mails, nor shall it grant any undue or unreasonable preferences to any such user. Sentence 2: Discrimination is preferred by the Postal Service.

SOLUTION: yes

PROBLEM: Sentence 1: We'll keep him close-in the water corral. Sentence 2: We will not allow him anywhere near the water corral.

SOLUTION: yes

PROBLEM: Sentence 1: oh well can you go to so and so's house Sentence 2: Don't bother going to so and so's house

SOLUTION:
yes