[QUESTION] Premise: "A dog swims holding a tennis ball in its mouth."
Hypothesis: "A dog fetches a tennis ball in the open field."
Do we know that the hypothesis entailed by the premise?
The dog cannot fetches a tennis ball and swims holding a tennis ball at the same time.
The answer is no.

Q: Given the sentence "A black dog is walking on the grass with a stick in its mouth." is it true that "The animal is on the grass."?
A: A black dog is an animal. He is walking on the grass.
The answer is yes.

QUESTION: Can we conclude from "A cowboy is riding a horse whilst spinning a lasso around." that "The cowboy is wearing a cowboy outfit."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Riding a horse does not necessarily mean wearing a cowboy outfit.
The answer is it is not possible to tell.

[QUESTION] Premise: "A car which looks to be a hatch back is on fire with a man in a fire proof suite and helmet is laying across the hood while people are watching."
Hypothesis: "A hatchback is on fire and a fireman is running far away from it."
Do we know that the hypothesis entailed by the premise?
The fireman is either laying across the hood or running far away.
The answer is no.

Q: Premise: "A man stands at a barbecues."
Based on this premise, can we conclude that the hypothesis "The barbecues is not on." is true?
Options:
- yes
- it is not possible to tell
- no
A: A man can stand near barbecues which is on or not on.
The answer is it is not possible to tell.

[QUESTION] Premise: "A woman in a brown coat and white scarf is walking on a sidewalk."
Hypothesis: "A woman is not wearing any winter clothing."
Do we know that the hypothesis entailed by the premise?
One cannot be in a brown coat and white scarf and not wearing any winter clothing simultaneously.
The answer is no.