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: you know which maybe i'm being a little bit too harsh but but if they need something i buy it for them Sentence 2: I would never buy them anything they need.

Ex Output:
yes


Ex Input:
Sentence 1: I believe I've only seen your hand shake once. Sentence 2: There is only one time I have seen your hand shake.

Ex Output:
yes


Ex Input:
Sentence 1: Conrad was leaping down the stairs, uttering a savage cry at the sight of him. Sentence 2: Conrad went down the stairs and made noise.

Ex Output:

yes