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

Sentence 1: Regional Modeling System for Aerosols and Deposition (REMSAD) Sentence 2: The system does not model deposition.
yes

Sentence 1: But Japan worries me. Sentence 2: I am not worried about Japan.

yes