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: Jon spoke again, nodding his head slightly. Sentence 2: He was trying to convince them.
no

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.
yes

Sentence 1: and they have a they're able to average it over a number of different occasions because peoples voices change a lot even from morning to evening and that's uh a big problem in speech recognition Sentence 2: People's voices do not change at all from morning to evening.

yes