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 group of boys playing street soccer. <sep> A group of boys are sitting down.
Example Output: yes

Example Input: An athletic woman in a gray top and black shorts, seems very focused on her rollerblading. <sep> boy eats sandwich
Example Output: yes

Example Input: The young man is trying to balance on the train tracks. <sep> A young man is trying to balance.
Example Output:
yes