I'll give you a question, please answer with step-by-step reasoning process.
Premise: "A jockey is perched atop a brown horse as people mill about behind them."\nHypothesis: "The horse and rider are getting ready for a race."\nDo we know that the hypothesis entailed by the premise?

it is not possible to tell
Just because a jockey is atop a horse doesn't mean it is getting ready for a race.

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The answer: it is not possible to tell