[QUESTION] If "This person is having a fun time." does that mean that "Several young individuals are having a fun time."?
Options:
- yes
- it is not possible to tell
- no
A single person having fun doesn't imply there are several individuals with them.
The answer is it is not possible to tell.

Q: Premise: "Two black dogs and one brown dog in tall grass."
Hypothesis: "There are no dogs in the grass."
Do we know that the hypothesis entailed by the premise?
A: Either there are dogs in the grass or no dogs in the grass.
The answer is no.

QUESTION: Premise: "A medical team is performing a surgery."
Based on this premise, can we conclude that the hypothesis "The medical team has the day off." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A medical team can't be performing a surgery on its day off.
The answer is no.

[QUESTION] Given the sentence "A hiker in snowshoes out for a walk in the snow pauses to look at the camera." is it true that "A hiker is wearing sneakers."?
If the hiker is wearing snowshoes than he is not wearing sneakers.
The answer is no.

Q: Test for natural language inference.
Premise: "A man in a black shirt is cooking from a recipe."
Hypothesis: "A chief wearing a black uniform preparing a meal at a resturant."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Not every man cooking is a chief (or chef) nor is all cooking from a recipe done in a restaurant.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man lighting a fire in what appears to be a wood cabin."
Hypothesis: "The man is starting a fire in the fireplace."
Do we know that the hypothesis entailed by the premise?
The man could be lighting the fire somewhere other than a fireplace.
The answer is it is not possible to tell.