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.

[Q]: 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.
[A]: yes


[Q]: Sentence 1: Tommy smiled at them encouragingly. Sentence 2: Tommy offered an encouraging grin.
[A]: yes


[Q]: Sentence 1: She may have been." Sentence 2: She might have been there that night.
[A]:
no