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.

Input: Consider Input: Sentence 1: Jon spoke again, nodding his head slightly. Sentence 2: He was trying to convince them.

Output: no


Input: Consider Input: Sentence 1: The London Guardian 's Joanna Coles says her presence is so obvious a gimmick to draw in those who don't normally bother to see the Bard that it's almost insulting. Sentence 2: Cole says she's just there to bring in apathetic people.

Output: no


Input: Consider Input: Sentence 1: She had noticed the speaker more than once amongst the first-class passengers. Sentence 2: She was not able to find the speaker within first class or economy.


Output: yes