Q: Premise: "A man waits at a crosswalk holding a motorbike helmet."
Based on this premise, can we conclude that the hypothesis "The man is on his way to work." is true?
Options:
- yes
- it is not possible to tell
- no
A: A man with a motorbike helmet does not mean he is on his way to work.
The answer is it is not possible to tell.

Q: Premise: "A man in a black hat looking at pictures with another man."
Hypothesis: "The other guy is looking at pictures."
Do we know that the hypothesis entailed by the premise?
A: Looking at picture with someone doesn't always mean the other person is actively looking at the pictures.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "An old man is standing in front of an ad on the sidewalk."
Hypothesis: "An man is standing in front of an ad on the sidewalk."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: An old man is a man as part of his description on the sidewalk.
The answer is yes.

Q: Premise: "A robust man with his mouth open in a white shirt and glasses holding a drink near other people."
Hypothesis: "A robust man is drinking a beer."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
A robust man with his mouth open in a white shirt and glasses holding a drink near other people does not mean that he is drinking a beer.
The answer is it is not possible to tell.