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.

Example Input: Sentence 1: What about the other girl, the one you decoyed away over a week ago?" Sentence 2: Tell me about this girl, not the girl who was decoyed. 
Example Output: yes

Example Input: Sentence 1: and um the Mets Sentence 2: How about you?
Example Output: no

Example Input: Sentence 1: an executive and operational capability to encourage and manage change. Sentence 2: The operational capability discourages change.
Example Output:
yes