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.

Sentence 1: And if your men didn't bring it in here, then Kirby or his friend must have. Sentence 2: Are you guys sure you didn't bring it in here?
no