Premise: "People walking or riding a bike around in the sand at dusk."\nHypothesis: "The people are going home from along day of exercising."\nDo we know that the hypothesis entailed by the premise?
Let’s work this out in a step by step way to be sure we have the right answer.
it is not possible to tell
Just because riding a bike around in the sand doesn't mean they are going home from along day of exercising.

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Therefore, the answer is it is not possible to tell