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 crowds thinned and the tent city rose around them, mostly empty at this time in the morning. Sentence 2: It was really busy that morning.

Ex Output:
yes


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: Yet another startup saga sketches how a 27-year-old M.B.A. Sentence 2: This startup focuses on a 27-year-old MBA.

Ex Output:

yes