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: exactly and if you had a car  there was nowhere to park it anyway or you know it's just you just didn't have a car but then we came here and they had parking lots in the schools and i couldn't understand it you know all the kids had cars and they you know have to have a car Sentence 2: I've never been to a school that has many student drivers. 

Ex Output:
yes


Ex Input:
Sentence 1: And after the amazing experience of seeing history come to life, people would obviously want a souvenir. Sentence 2: People needed souvenirs when they went on vacation.

Ex Output:
no


Ex Input:
Sentence 1: Congress, various government officials, the press and ultimately the greatest source of power in our democracy - the American people. Sentence 2: America once did not live in a democratic state.

Ex Output:

no