Premise: "A man dressed in red and black winter gear is airborne after hitting a jump on his snowboard."\nHypothesis: "The man is practicing for the winter games."\nDo we know that the hypothesis entailed by the premise?
Step-by-step reasoning process below:
it is not possible to tell
A man hitting a jump on his snowboard doesn't imply that he is practicing for the winter games.

.

So, the final answer is it is not possible to tell