Premise: "Young black boys walk around on sand on a sunny day."\nHypothesis: "Young black boys walk around on sandy beach on a sunny day."\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
The fact the boys walk around on sand does not necessarily imply the sand is from a beach.

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Therefore, the answer is it is not possible to tell