Instructions: 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: Chances are that if you know she's running around, it's likely your brother does, too. Sentence 2: If you don't know that she's running around, then your brother certainly doesn't.
Output:
yes