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: The government controls the number of allowances that are distributed and reduces them over time. Sentence 2: The government reduces the number of allowances over time. 

Ex Output:
yes


Ex Input:
Sentence 1: However, it is clear that the number of congressional oversight hearings and other GAO testimony opportunities will decline significantly in fiscal year 2001 as a result of factors beyond our control. Sentence 2: The committee expects more oversight hearings with GAO testimony in fiscal year 2001.

Ex Output:
yes


Ex Input:
Sentence 1: I am sorry. Sentence 2: I apologize. 

Ex Output:

yes