QUESTION: Premise: "Trolleys."
Hypothesis: "Buses and cars are stopped on the street while pedestrians while along the sidewalk."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Vehicles are at a stoplight in a city intersection while pedestrians hurry to cross.
The answer is it is not possible to tell.

QUESTION: Premise: "Two men playing a ice hockey together."
Hypothesis: "The men are playing outside in the summer."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: The two men can't play ice hockey outside in the summer.
The answer is no.

QUESTION: Premise: "Two men point at meat in a window."
Hypothesis: "Two men may decide to purchase steak for dinner."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
Just because men point at meat in a window doesn't imply to purchase steak for dinner.
The answer is it is not possible to tell.