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: Have you anyone who can testify to that? Sentence 2: Can anyone confirm that?
[A]: yes


[Q]: Sentence 1: This proved highly dangerous to pilgrims who approached the abbey across the sands (the causeway joining the island to the mainland was not built until 1874). Sentence 2: Many pilgrims perished en route to the abbey.
[A]: no


[Q]: Sentence 1: it's just that they have absolutely no no morals and it's really sad Sentence 2: They are the best behaved kids around. 
[A]:
yes