Premise: "Smoke has filled the air and the buildings preventing the firefighter from entering the building."\nHypothesis: "There is a fire that is the cause of all the smoke."\nDo we know that the hypothesis entailed by the premise? Now, let's be accurate as possible. Some thinking first:
User
Smoke could be caused by something other than a significant fire. So, the answer is it is not possible to tell.
Assistant