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'.

Input: Consider Input: a big black dog jumps in the air to catch the tennis ball in his mouth. <sep> A dog is jumping.

Output: yes


Input: Consider Input: Three young women perform a dance in a crowded hall. <sep> Three young women are performing in front of a big audience.

Output: yes


Input: Consider Input: Several people are laying on the floor sleeping covered by blankets. <sep> A group of people rest


Output: yes