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: The choir and chancel do not stand on the island's granite core but on a platform formed by three crypts, with the massive columns of the Crypte des Groseiliers doing most of the work. Sentence 2: Nothing ever stands on the island's granite core.

Ex Output:
no


Ex Input:
Sentence 1: They don't hurt you, said Red. Sentence 2: Red stated that they don't hurt you.

Ex Output:
yes


Ex Input:
Sentence 1: Lowenstein SR, Weissberg MP, Terry D. Alcohol intoxication, injuries, and dangerous behaviors-and the revolving emergency department door. Sentence 2: Alcohol intoxication is never a factor for entrance into the emergency department. 

Ex Output:

yes