Premise: "A boy in a red shirt is standing in front of a building and a girl in a red shirt is walking away from the building."\nHypothesis: "A boy stands in front of the building while a girl in red walks away."\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.
yes
A boy who stands in front of a building while a girl is walking away does just that.

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The answer is yes