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.

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.
yes

Sentence 1: yeah really what is that Sentence 2: Is that what it is?
no

Sentence 1: Cooperative Institute for Research in the Atmosphere, Colorado State University; Fort Collins, CO July. Sentence 2: Colorado State University contains the Institute for Research in the Atmosphere, which is the best of the U.S.

no