You will be given a definition of a task first, then some input of the task.
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'.

A man wearing a purple cap, yellow snow goggles, a periwinkle jacket and red backpack moves quickly through powdery snow near a winter tree. <sep> The man is skiing.
Output:
no