Given Sentence 1 and Sentence 2, indicate your answer as yes when the two sentences clearly agree or clearly disagree with each other. If the relationship cannot be determined, answer with 'no'.

Example Input: A man wearing a business suit holds up a drink as the other laughs. <sep> the man is crying and writing
Example Output: yes

Example Input: A man playing a piano <sep> The man's hands are on the keys of a piano.
Example Output: yes

Example Input: Two little boys are smiling and laughing while one is standing and one is in a bouncy seat. <sep> The boys are siblings playing with each other.
Example Output:
no