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.

Input: Consider Input: Sentence 1: Have you anyone who can testify to that? Sentence 2: Can anyone confirm that?

Output: yes


Input: Consider Input: Sentence 1: GAO's Mission GAO examines the use of public funds; evaluates federal programs and activities; and provides analyses, options, recommendations, and other assistance to help the Congress make effective oversight, policy, and funding decisions. Sentence 2: The assistance is welcome to Congress.

Output: no


Input: Consider Input: Sentence 1: Most always. Sentence 2: Never ever.


Output: yes