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: Waves are additive. Sentence 2: Waves are not additive.

Answer: yes


Question: Sentence 1: Have you anyone who can testify to that? Sentence 2: Can anyone confirm that?

Answer: yes


Question: Sentence 1: Newgrange can get very crowded, so try to get there early or take a Bus ?‰ireann tour which secures you privileged access. Sentence 2: Newgrange is very busy.

Answer:
yes