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: He wore a helm shaped like the head of a lion complete with a mane of real fur. Sentence 2: He had fur on his helm.

Ex Output:
yes

Ex Input:
Sentence 1: Global Culture represented the combined efforts of many people, and they are all acknowledged by name in the book. Sentence 2: The book acknowledges the many people who worked on Global Culture.

Ex Output:
yes

Ex Input:
Sentence 1: Poirot went on. Sentence 2: Poirot continued.

Ex Output:
yes