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 Input:
Sentence 1: The fruit and leaves feed crabs whose waste products in turn feed fish, prawns, and mollusks. Sentence 2: Without the crabs' waste, fish, mollusks, and prawns wouldn't have as much food.

Ex Output:
no


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

Ex Output:
yes


Ex Input:
Sentence 1: Zucker was nominated by the Van Nuys center and the Ventura County Superior Court, where he has served as a temporary judge in Small Claims Court and has volunteered with a court-sponsored program for at-risk high school students. Sentence 2: Zucker spent five years working as a temporary judge.

Ex Output:

no