[QUESTION] Can we conclude from "A man rides a wave on a surfboard." that "A man surfing in a competition."?
Options:
- yes
- no
- it is not possible to tell
Rides a wave does not necessarily mean surfing in a competition.
The answer is it is not possible to tell.

Q: Given the sentence "A little girl is smiling whilst wearing a fake nose and glasses." can we conclude that "The glasses are round."?
Options:
- yes
- it is not possible to tell
- no
A: A girl wearing a fake nose and glasses doesn't imply glasses are round.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "A boy is combing his hair using the car windows as a mirror." that "A boy is combing his hair with a brush."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A boy combing is hair does not imply that he is using a brush.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man wearing a tan sports jacket is on an escalator with a man wearing a flowered shirt."
Hypothesis: "Two men are on an escalator."
Do we know that the hypothesis entailed by the premise?
A man wearing a tan sports jacket is on an escalator with a man wearing a flowered shirt so there should be Two men and they are on an escalator.
The answer is yes.

Q: Test for natural language inference.
Premise: "Several men are standing next to a large animal while a woman walks by."
Hypothesis: "Men are chasing the large animal chasing after a woman."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Men standing next to a large animal could not have been chasing the large animal.
The answer is no.

[QUESTION] Premise: "A gentleman is operating a machine while working in a factory."
Based on this premise, can we conclude that the hypothesis "A gentleman is drinking in the bar." is true?
Options:
- yes
- it is not possible to tell
- no
A man drinking in a bar cannot also be operating a machine in a factory.
The answer is no.