Premise: "Young students demonstrate their swordsmanship in front of onlookers."
Hypothesis: "Young swordsman show off for onlookers on a game show."
Do we know that the hypothesis entailed by the premise?
Let's solve step-by-step:
Young students demonstrate their swordsmanship in front of onlookers does not indicate that they show off for onlookers on a game show. The answer is it is not possible to tell.