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.

Example Input: Sentence 1: I believe I've only seen your hand shake once. Sentence 2: There is only one time I have seen your hand shake.
Example Output: yes

Example Input: Sentence 1: At the same time, there are other key assumptions that EPA adopted to facilitate the evaluation of the four scenarios. Sentence 2: The EPA assumed nothing; all its operations are based in science.
Example Output: yes

Example Input: Sentence 1: Oh, come. Sentence 2: Move towards my light.
Example Output:
no