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.

[EX Q]: Sentence 1: They carried crude pikes and knives in their belts. Sentence 2: The knives and pikes were carried in their belts. 
[EX A]: yes

[EX Q]: Sentence 1: But the data on marine casualties indicated that accidents were often caused, not by deficiencies in the vessels or other factors, but by human error. Sentence 2: The data on marine casualties showed that accidents were often caused machine failure.
[EX A]: yes

[EX Q]: Sentence 1: Where is Mr. Cavendish?" John was in the smoking-room.  Sentence 2: John wanted to ask Mr. Cavendish for a cigarette. 
[EX A]:
no