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.

Q: 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.

A: yes
****
Q: Sentence 1: Our work also has shown that the international Sentence 2: Our work proves that the international...

A: yes
****
Q: Sentence 1: When the government failed to fulfill promises to compensate investors, rioters pillaged the capital, Tirana, and battled government-organized militias. Sentence 2: Rioters pillaged Tirana since the government failed to fulfill promises to compensate investors.

A:
yes
****