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: yeah now my roomie on the other hand he is a power user Sentence 2: My roommate barely uses it, since it is bad for his eyes.

Ex Output:
yes


Ex Input:
Sentence 1: The intervention led to a small change in bike helmet use and a slightly larger change in seat belt use, but it did not lead to changes in alcohol variables or weapon carrying. Sentence 2: The intervention helped saved a lot of different lives. 

Ex Output:
no


Ex Input:
Sentence 1: Something had to be done to their numbers. Sentence 2: They must lower the enemies numbers if they want to win.

Ex Output:

no