TASK DEFINITION: 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'.
PROBLEM: a skier is throwing up snow as he skis off piste. <sep> A professional skier skis down a mountain.

SOLUTION: no

PROBLEM: A man in a brown jacket stands with his arms spread. <sep> The man pleads for mercy.

SOLUTION: no

PROBLEM: a climber wearing a red headband is pulling himself up some gray rocks high above some green foliage. <sep> A climber pulls himself up some rocks

SOLUTION:
yes