Premise: "Man in business attire with guy fawkes mask holding paper at protest."\nHypothesis: "The man has seen the film v for vendetta."\nDo we know that the hypothesis entailed by the premise?
Let's think step by step below.
it is not possible to tell
The fact that he is a man does not imply that he has seen the film.

.

So, the answer is it is not possible to tell