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: For purposes of this exercise, there are at least seven categories of costs and four benefits that might be reviewed. Sentence 2: There are no more than six categories of costs to be reviewed for this exercise.

Ex Output:
yes


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: Finally, read Slate online. Sentence 2: Reading Slate online is a good news source.

Ex Output:

no