Premise: "A man in a white jacket is on top of a roof sanding it down while standing on a wooden ledge."\nHypothesis: "A man in a white jacket standing on top of a roof sanding it down while standing on the edge of a wooden ledge outside."\nDo we know that the hypothesis entailed by the premise?
Let's be accurate as possible and think first.
yes
If a man is on top of a roof he is also outside; if he is standing on a wooden ledge he is also on the edge of the wooden ledge.

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The answer is yes