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: 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: The French postal density is higher at every quantile, but the ratio is strikingly high at the 95th and 90th quantiles where it exceeds 3 to 1. On average the French postal density exceeds the U.S. by a ratio of 2.5 to 1. This is somewhat less than the ratio of population density between France and the U.S. which is 3.6 to 1.10 Sentence 2: The French postal density can be compared and contrasted to the U.S.'s.

Ex Output:
yes


Ex Input:
Sentence 1: Look around the Greek islands today and there is little cause to think that much has changed. Sentence 2: There is no reason to think that a lot has changed.

Ex Output:

yes


