QUESTION: Premise: "A lady in hanging off a red trolley."
Hypothesis: "Waving."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A lady is trying to wave down someone to help her off of the red trolley.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A man in bullfighting regalia rides a bull's back." can we conclude that "A man is riding a bulls back in a bullfighting regalia."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Riding a bulls back is a restatement of rides a bull's back.
The answer is yes.

QUESTION: Premise: "Two hockey players are fighting with a referee watches."
Hypothesis: "The referee watches as the hockey player rights each other while drink a can of soda."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
The referee would not necessarily be drinking a can of soda.
The answer is it is not possible to tell.