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: Others believed that only total (historical) costs should be used. Sentence 2: And the others believed that only thistorical (total) costs should be used.

Output: yes


Input: Consider Input: Sentence 1: Today the theater still provides a wonderful setting for the July festival's opera and symphony concerts. Sentence 2: The theater is no longer used.

Output: yes


Input: Consider Input: Sentence 1: Agencies are learning how a CIO can help improve effectiveness and efficiency and better realize the benefits of their information resources. Sentence 2: Information resources are utilized by the CIO and agencies learn a lot from certain studies such as this.


Output: no