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: Accuracy and usefulness of the breath alcohol analyzer. Sentence 2: The breath alcohol analyzer's accuracy needs to be improved in order for its usefulness to improve.
[A]: no


[Q]: Sentence 1: No, you are right, he said, "it is not as though there was a blood tie.  Sentence 2: He has thought this matter through a lot.
[A]: no


[Q]: Sentence 1: It was after that that Tommy proposed to give them a surprise. Sentence 2: Tommy's surprise was ill mannered, but he had no other choice.
[A]:
no