instruction:
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.
question:
Sentence 1: Something is drawing them up from all over the planet."  Later, half a square mile of the shell cracked off. Sentence 2: Once the shell completely cracks, they will keep coming to end mankind.
answer:
no


question:
Sentence 1: Philosophers and theologians try to answer these questions, but smart politicians rewrite them. Sentence 2: Philosophers try to answer questions.
answer:
yes


question:
Sentence 1: His expression indicated he'd been aware of me the entire time. Sentence 2: I seemed to have startled him, he was not aware of me at all.
answer:

yes