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.

Input: Consider Input: Sentence 1: Becker, Howard S. Problems of Inference and Proof in Participant Observation. Sentence 2: Problems of Inference and Proof in Participant Observation is related to Howard Becker.

Output: yes


Input: Consider Input: Sentence 1: yeah yeah i've been writing mine down just in case anything you know just Sentence 2: I have been writing all of mine down in case I have to show the police.

Output: no


Input: Consider Input: Sentence 1: oh i would imagine helping them feel good about themselves they're at a bad stage anyway and then to have to deal with sexual abuse would be terrible as a teen Sentence 2: These teens are at the worst stage of their lives, and their being sexually abused on top of that.


Output: no