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: Zastany said the center will demystify the judicial process for many people. Sentence 2: Explaining the judicial process is something the center will do, according to Zastany.

Ex Output:
yes


Ex Input:
Sentence 1: She's still working on it, a Pentagon source tells me. Sentence 2: She's working on it, but not very hard.

Ex Output:
no


Ex Input:
Sentence 1: They were half-way across when the Kal's horse turned its head, saw the gap, and lurched. Sentence 2: The horse jumped over the cliff without a care. 

Ex Output:

yes