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: But there are plenty of things for dollar-wielding visitors to buy now that private enterprise is permitted on a limited scale. Sentence 2: Private enterprise is not permitted.

A: yes
****
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: Do sit down, both of you. They obeyed. Sentence 2: Asked to sit, they steadfastly refused and turned their backs.

A:
yes
****