Q: Premise: "A woman laughing as her husband has his arm around her."
Based on this premise, can we conclude that the hypothesis "There husband and wife are on a date." is true?
Options:
- yes
- it is not possible to tell
- no
A: Not all woman laughing as her husband has his arm around her are on a date.
The answer is it is not possible to tell.

QUESTION: Premise: "Several people stand on a bike rack to look at something over bleachers."
Based on this premise, can we conclude that the hypothesis "Several people stand on a skateboard rack to look at something over bleachers." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A bike rack is not the same as a skateboard rack.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "A girl riding a bike with her helmet on with overcast weather."
Hypothesis: "A girl plays by herself on a cloudy day."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A girl riding her bike is not necessarily playing by herself.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A brown dog is standing in a river with its head turned looking behind."
Hypothesis: "A white dog stands in a river with its head facing forwards."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The brown dog is looking behind and the white dog is facing forwards.
The answer is no.

QUESTION: Given the sentence "A man at a neuroscience booth addressing his audience." is it true that "No one is gathered in front of the booth."?

Let's solve it slowly: If no one is at the neuroscience booth then there could not be an audience gathered there.
The answer is no.

QUESTION: Premise: "A little girl giggles and smiles happily as she kneels on her bed."
Based on this premise, can we conclude that the hypothesis "A little girl is giggling after having been told a joke." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Not all little girl who giggles have been told a joke.
The answer is it is not possible to tell.