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: Sorry about that. Sentence 2: Pardon me.

Ex Output:
yes

Ex Input:
Sentence 1: Simply stated, at GAO we speak truth to power. Sentence 2: The person speaking isn't much less than an idiot.

Ex Output:
no

Ex Input:
Sentence 1: In May, Vajpayee announced the successful completion of nuclear tests, which, although touted by the Indians as a sign of their sovereignty, may complicate India's relations with its neighbors and the West. Sentence 2: India has never completed any successful nuclear tests.

Ex Output:
yes