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: I said right out: 'You're an old woman, Emily, and there's no fool like an old fool. Sentence 2: I did not like Emily because she was old and foolish.

Ex Output:
no

Ex Input:
Sentence 1: First, would the terms of each agreement be made public? Sentence 2: There is an agreement with terms.

Ex Output:
yes