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.

[Q]: Sentence 1: This is a simplification of reality, which probably involves a curve with a slight upward slope. Sentence 2: In reality, it's probably a 20 degree upward slope. 
[A]: no


[Q]: Sentence 1: Drew commented on that, and Nye answered: "Old Man knows what's he's doin'. Sentence 2: Nye responded, "Old Man is totally in the dark here. 
[A]: yes


[Q]: Sentence 1: His spies are everywhere." Sentence 2: No matter where we go, they are watching.
[A]:
yes