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: and some of the patent attorneys have been real casual in their clothes and then other ones tend to always wear a suit with a very starched cotton shirt so that's just you Sentence 2: Some of the patent attorneys have worn jeans and t-shirts to court sessions. 
[A]: no


[Q]: 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.
[A]: yes


[Q]: Sentence 1: The big gray knew very well what was in progress, was tensing now for a swift getaway leap. Sentence 2: The big gray stood still and did nothing. 
[A]:
yes