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: What time was it when she first called you? Sentence 2: She didn't call.

Ex Output:
yes


Ex Input:
Sentence 1: The agency reports that any substantive comments or changes made during the review have been incorporated into the final rule. Sentence 2: The agency says substantive comments made in the review don't have to be included in the final rule.

Ex Output:
yes


Ex Input:
Sentence 1: But he soon found that there were differences. Sentence 2: He was happy there were differences. 

Ex Output:

no