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.

Ex Input:
Sentence 1: Schiff told the Star the story was absolutely not true. Sentence 2: Shiff decided to keep his opinions to himself.

Ex Output:
yes


Ex Input:
Sentence 1: As previously noted, LSC reissued its CSR instructions to all grantees, calling attention to problem areas known at that time. Sentence 2: LSC never reissued CSR instructions.

Ex Output:
yes


Ex Input:
Sentence 1: yeah i built three houses in my life and Sentence 2: I have never built anything in my life. 

Ex Output:

yes