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'.

Ex Input:
Four young female gymnasts dressed in black and blue leotards are preparing for their next routine. <sep> Gymnast group preparing for a competition.

Ex Output:
yes


Ex Input:
A group of young people pose for a picture in a field <sep> The young people are taking a picture inside.

Ex Output:
yes


Ex Input:
A guy and a girl look down a mountain range. <sep> The people look into the sky.

Ex Output:

yes