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 Q]: Sentence 1: oh that's quite reasonable Sentence 2: That's a good estimate for the area, is there a discount on it?
[EX A]: no

[EX Q]: Sentence 1: yeah yeah yeah it was it was nice i enjoyed it uh Tehran was a beautiful place i still remember the house we lived in great big old it was almost something out of Ali Baba and the forty thieves you know Sentence 2: I don't ever want to go back to Tehran.
[EX A]: yes

[EX Q]: Sentence 1: They spent two days crossing the barrens, the bluffs rising high above the flat plains. Sentence 2: They were crossing the barrens in hopes of finding a new and safer place to settle. 
[EX A]:
no