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: okay well good luck to the Rangers this season  see if they can pull one out Sentence 2: Good luck to the Rangers this season; let's see if they win.

Ex Output:
yes


Ex 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.

Ex Output:
no


Ex Input:
Sentence 1: Then he pulled his hat on tight and refastened his leather neck guard. Sentence 2: He was about to go to war, so he pulled his hat on and fastened his neck guard. 

Ex Output:

no