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: That's one piece of the larger truth at the heart of the family-values Divorce and unwed motherhood are bad for kids. Sentence 2: Divorce has a negative impact on children, but single mothers have no major effect.
Output:
yes