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.

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.
yes

Sentence 1: At the very northern tip of the Sinai is Taba, with several large hotels, marking the Egyptian/Israeli border. Sentence 2: Taba's hotels are all very expensive, but have good room service.
no

Sentence 1: Here, business and pleasure are inextricably linked and have been for hundreds of years. Sentence 2: Business and pleasure have been mixed here for a long time. 

yes