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: 'Of course. Sentence 2: It was obviously so.

Output: yes


Input: Consider Input: Sentence 1: This element focuses on the executive's performance towards the balanced scorecard targets at the regional office and national levels, in addition to specific performance priorities with corresponding targets. Sentence 2: The executive's performance needs to be unbalanced.

Output: yes


Input: Consider Input: Sentence 1: 'But...why?' I asked weakly. Sentence 2: I already knew the answer.


Output: yes