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: And while it would be a mistake to say that the stock could have opened at that highest price, it's safe to say that if Robertson Stephens had done a better job of gauging demand, millions of dollars that went into traders' pockets would have gone into Pixar's vaults instead. Sentence 2: Many people lost their jobs due to Robertson Stephens failure to properly calculate demand. 

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: well that that that that will make their day Sentence 2: That will ruin their day.

SOLUTION:
yes