QUESTION: Premise: "A man on a street corner works on a drawing."
Hypothesis: "He is making a picture for some tourists."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Working on a drawing does not necessarily mean it is for some tourists.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A man and a lady train for boxing in the middle of a grassy park." can we conclude that "A couple is getting ready for a boxing fight."?
Options:
- yes
- it is not possible to tell
- no
The relationship of the man and lady is unknown and they may not be considered a couple.
The answer is it is not possible to tell.

Q: Can we conclude from "A nearly abandoned sidewalk in a downtown area." that "The sidewalk is empty because it's very late."?
Options:
- yes
- no
- it is not possible to tell
A: A nearly abandoned sidewalk doesn't mean that it is empty. It being very late is not the only reason for a sidewalk to be nearly abandoned.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "A small girl sits on a ledge by the water contemplating life." that "There is a girl outside."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The girl is on a ledge by water so she must be outside.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A man is sitting in a chair with a musical keyboard beside him."
Hypothesis: "A man is ready to play music."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A man sitting near a keyboard does not imply that he is ready to play music.
The answer is it is not possible to tell.

Q: Premise: "A motocross rider wearing a red suit jumping off a ramp on a clear sunny day."
Hypothesis: "A rider shows off during the race."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
The rider could be practicing and might not be in a race or 'showing off'.
The answer is it is not possible to tell.