Premise: "A man who's head and face is covered is walking with a rather large weapon on his shoulder."\nHypothesis: "A man carries a weapon."\nDo we know that the hypothesis entailed by the premise?
Let’s work this out in a step by step way to be sure we have the right answer.
yes
One carries a weapon by walking with a weapon on his shoulder.

.

So, the answer is yes