Premise: "Two men wearing santa claus costumes are dancing while people watch."\nHypothesis: "Two old men wearing santa claus costumes are tango dancing while people watch."\nDo we know that the hypothesis entailed by the premise?
A step-by-step solution is:
it is not possible to tell
The men might not be old and they might not be tango dancing.

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The answer: it is not possible to tell