Test for natural language inference.\nPremise: "Hiking in the mountains down steep terrain."\nHypothesis: "Several people hike down the mountain trail."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- no\n- it is not possible to tell
A step-by-step solution is:
it is not possible to tell
The fat that there is hiking down steep terrain doesn't imply down the mountain trail.

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The answer: it is not possible to tell