Definition: 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: Sentence 1: He once or twice observed to me that he thought Dorcas must have made an error in fixing the time of the quarrel. Sentence 2: He thought Dorcas made a mistake.
Output:
yes