Q: Premise: "A black dog has a blue toy in its mouth."
Hypothesis: "The white dog has a cat in its mouth."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: The dog can either be black or white; it can't have both a cat and a toy in his mouth.
The answer is no.

QUESTION: Premise: "A tour group sits on the second story of a double-decker tour bus in the middle of times square."
Based on this premise, can we conclude that the hypothesis "The bus is moving." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The bus that the tour group was on wasn't necessarily moving.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man with black hair and gray pants is standing holding a helmet and looks very dirty."
Hypothesis: "A woman without a purse rides a gorilla."
Do we know that the hypothesis entailed by the premise?
A man isn't a woman and you can't ride a gorilla while standing and holding a helmet.
The answer is no.

Q: Test for natural language inference.
Premise: "A man in a rural area using farm-like equipment in a swampy environment."
Hypothesis: "A man using farm equipment to drain water from his crops in a swampy environment."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A man using equipment in a swamp is not assumed to be there to drain water from his crops.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A woman wearing a tank top and gloves washing the windows on top of a train."
Hypothesis: "A woman is making the windows dirty."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A person can't be both washing windows and making windows dirty at the same time.
The answer is no.

QUESTION: Can we conclude from "A man is dressed in a costume in front of several goats." that "The man is not in a costume."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
The can only be in a costume or not in a costume.
The answer is no.