[QUESTION] If "A man and a boy ride a four wheeled vehicle." does that mean that "A father and son are riding a four wheeled vehicle."?
Options:
- yes
- it is not possible to tell
- no
Not all a man and a boy are a father and son relationship.
The answer is it is not possible to tell.

[QUESTION] Premise: "An older man seasoning a shish kabob."
Hypothesis: "The chef puts salt onto his dish."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
The older man may or may not be a chef and he is not necessarily putting salt onto his dish.
The answer is it is not possible to tell.

[QUESTION] Premise: "A person taking pictures of fishing boats."
Hypothesis: "A person is using a camera."
Do we know that the hypothesis entailed by the premise?
A person taking pictures of boats is a form of a person is using a camera.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A woman in a green coat walked in the shadows of the city."
Hypothesis: "A woman walks into an alley."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Alley ways could be described as the shadows of a city.
The answer is yes.