Premise: "Little league slides into plate where rival player crouches in anticipation."\nHypothesis: "The people are playing baseball."\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
Little league and rival players means there are a number of people and they must be playing baseball as Little league is a baseball team.

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The answer: yes