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: Jeffrey Runge agreed with Larry Gentilello that health economists should be part of the research team. Sentence 2: Jeffrey Runge agreed with Larry Gentilello agreed that there should be no health economists on the research team.

Output: yes


Input: Consider Input: Sentence 1: They were highly skilled in such manual activities as thatching and weaving. Sentence 2: There were no skills.

Output: yes


Input: Consider Input: Sentence 1: The president's drug czar, Gen. Sentence 2: The drug czar of the president is Gen, and he is a bad man.


Output: no