Premise: "Two men are competing in a fencing competition."\nHypothesis: "Two men are competing in the semi-finals of the annual fencing competition."\nDo we know that the hypothesis entailed by the premise?
Let's think step by step.
it is not possible to tell
Fencing competitions can take place in many forms over many time periods; one cannot presume two fencers are necessarily competing in the semi-finals of the annual fencing competition.

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The answer: it is not possible to tell