Answer the following question, with explanation first.
Premise: "The man in the brown jacket is sitting on the ground by the jetty."\nHypothesis: "There are people on the ground."\nDo we know that the hypothesis entailed by the premise?

yes
A man is one in a group of people.

If he is sitting by a jetty it's logical that there would be others there.

.

The final answer: yes