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: No, I can't say that I have. I was becoming quite excited, but Poirot damped my ardour by remarking: "Yet the explanation is quite simple. Sentence 2: Poirot convinced me that the explanation isn't plausible.
A:
no