Please answer the following question by reasoning step-by-step. Premise: "Surfer surfs ahead of a crashing wave."\nHypothesis: "A surfer stands up quickly on his surfboard."\nDo we know that the hypothesis entailed by the premise?. Step-by-step reasoning:
User
Not all surfer stands up quickly ahead of a crashing wave. So the answer is it is not possible to tell.
Assistant