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: This is where the cruise boats dock. Sentence 2: The cruise boats dock here.

Ex Output:
yes

Ex Input:
Sentence 1: His old eyes bored into the younger man, and he nodded. Sentence 2: He did not look at the younger man.

Ex Output:
yes

Ex Input:
Sentence 1: oh that would be a shame Sentence 2: People are hoping that won't happen.

Ex Output:
no