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.
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Question: Sentence 1: I assure you that you need not let it trouble you. Sentence 2: It may bother someone else.

Answer: no

Question: Sentence 1: It even has a fortified head (cimorro) that is part of the city walls. Sentence 2: Part of the city walls is a fortified head.

Answer: yes

Question: Sentence 1: Yet surely it could not be! Sentence 2: It possibly couldn't be!

Answer:
yes