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: The intervention led to a small change in bike helmet use and a slightly larger change in seat belt use, but it did not lead to changes in alcohol variables or weapon carrying. Sentence 2: The intervention helped saved a lot of different lives. 

SOLUTION: no

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: Of course, your mileage may vary depending on how many users are connected to your T1 line, how busy the Internet or Sentence 2: You may have different results than the study.

SOLUTION:
yes