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 also said that if this type of legislation is not feasible, the Association's members would like to be able to use their frequent flyer miles to upgrade to business class on long flights. Sentence 2: Association members prefer to fly business class.

Ex Output:
yes


Ex Input:
Sentence 1: Fun, smart, beautiful, but my girlfriend just won't give me any space. Sentence 2: My girlfriend knows that I feel she isn't giving me enough space.

Ex Output:
no


Ex Input:
Sentence 1: And the equation for workshared mail  Sentence 2: no equation exists for workshared mail

Ex Output:

yes