Q: Given the sentence "A brown dog is swimming and splashing in the water." is it true that "A brown dog is playing outdoors."?
A: Swimming and splashing in water is an example of playing outdoors.
The answer is yes.

QUESTION: Premise: "A man in a gray t-shirt and jeans smiles at the camera while sitting in a crowd at an outdoor event."
Based on this premise, can we conclude that the hypothesis "A man stays home to read a book." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Either the man is sitting outdoors with a crowd or staying home. He is presumably home alone.
The answer is no.

[QUESTION] Can we conclude from "The olympic official is smiling for the camera." that "A woman frowns."?
Options:
- yes
- no
- it is not possible to tell
The person in question is either smiling or frowning. One cannot do both at the same time.
The answer is no.

Q: Test for natural language inference.
Premise: "A construction worker fits metal pipes together."
Hypothesis: "The worker is sleeping."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: You construction worker cannot be sleeping while he fits metal pipes together.
The answer is no.

QUESTION: Premise: "A crowd of men sit smoking hookah in an unidentified arabic-speaking country."
Hypothesis: "The men are smoking."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A crowd of men are a type of men and hookahs are smoked so therefore they are smoking the hookah.
The answer is yes.

QUESTION: Premise: "A smiling woman sitting on a smiling man's lap."
Hypothesis: "The woman is running in a marathon."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
A woman cannot sit on a man's lap and be running a marathon at the same time.
The answer is no.