Test for natural language inference.\nPremise: "Four skiers walking up a snow covered hill."\nHypothesis: "The ski lift has broken."\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
Skiers don't always walk up hills just because the ski lift has broken.

.

Therefore, the answer is it is not possible to tell