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: He must parry opponents' attacks better. Sentence 2: He hadn't practiced parrying techniques recently.

Output: no


Input: Consider Input: Sentence 1: But there are plenty of things for dollar-wielding visitors to buy now that private enterprise is permitted on a limited scale. Sentence 2: Private enterprise is not permitted.

Output: yes


Input: Consider Input: Sentence 1: I helped sack villages not defend them," said San'doro. Sentence 2: San'doro would not defend villagers.


Output: yes