Premise: "A man in a black polo shirt stands in the doorway of a gelateria."\nHypothesis: "The man is about to eat a snack."\nDo we know that the hypothesis entailed by the premise?
Let's think step by step.
it is not possible to tell
Stands in the doorway of a Gelateria does not mean about to eat a snack.

.

So, the final answer is it is not possible to tell