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.

[EX Q]: Sentence 1: They were justifiably concerned, advocates say. Sentence 2: The concern was quite normal due to the case.
[EX A]: no

[EX Q]: Sentence 1: Schiff told the Star the story was absolutely not true. Sentence 2: Shiff decided to keep his opinions to himself.
[EX A]: yes

[EX Q]: Sentence 1: He was still puzzling over the situation when he returned an hour later. Sentence 2: He was still thinking about the situation when he came back 60 minutes later.
[EX A]:
yes