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: The odd old wooden house that has survived the city's numerous fires leans creaking across the crumb?Ϳάing bricks of some forgotten Byzantine ruin. Sentence 2: That old wooden house burned to the ground in the city's last fire.
[A]: yes


[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: Victor Geminiani demonstrated how video conferencing is being used extensively by staff and clients to serve six islands. Sentence 2: Geminiani wanted to keep the conferencing a secret. 
[A]:
yes