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: You haven't got it. Sentence 2: The person being spoken to has it.

Ex Output:
yes


Ex Input:
Sentence 1: Otherwise, death!" Tommy leaned back wearily. Sentence 2: Tommy declared that death is the only option available.

Ex Output:
no


Ex Input:
Sentence 1: Every culture has a single historical hero, a visionary credited with planting the seeds from which cultural, aesthetic, and ethical values flourished. Sentence 2: There are no historical heroes, such a thing doesn't exist.

Ex Output:

yes