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 choir of youths are singing. <sep> they are singing in a christmas program
Example Output: no

Example Input: Woman wearing an orange scarf holding a cellphone. <sep> A woman wearing a blue scarf is working at a factory.
Example Output: yes

Example Input: A group of children in African clothing. <sep> Some humans in green clothing
Example Output:
no