Premise: "A skater with dreadlocks flips his board in while in the air."\nHypothesis: "A skater with dreadlocks practices his skills by flipping his board while in the air."\nDo we know that the hypothesis entailed by the premise?
Let's be accurate as possible and think first.
it is not possible to tell
A skater flips his board doesn't mean he practices his skills.

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Final answer: it is not possible to tell