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: Jon spoke again, nodding his head slightly. Sentence 2: He was trying to convince them.
[EX A]: no

[EX Q]: Sentence 1: Upper Egypt was the heartland of the Kingdom at the peak of its power and influence, and the remains of its ancient cities form one of the most important and breathtaking archaeological collections in the world. Sentence 2: Upper Egypt was never actually in Egypt.  
[EX A]: no

[EX Q]: Sentence 1: As discussed below, we strongly disagree with the Vice Presidentas positions. Sentence 2: The Vice Presidentas positions disgusts them.
[EX A]:
no