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:  He considered, and then snapped his fingers. Sentence 2: He made some noise with his fingers after he thought about it. 

Ex Output:
yes


Ex Input:
Sentence 1: Accuracy and usefulness of the breath alcohol analyzer. Sentence 2: The breath alcohol analyzer's accuracy needs to be improved in order for its usefulness to improve.

Ex Output:
no


Ex Input:
Sentence 1: Democrats think they're immune to this attack because they've got both ends of the spectrum  On the removal question, the polls are on Clinton's side, and on the moral question, on which the polls are against Clinton, Democrats have acknowledged and condemned his misconduct. Sentence 2: Democrats think they have covered both ends of the question.

Ex Output:

yes