[QUESTION] Premise: "Man sticking out tongue and licking smiling woman."
Hypothesis: "A man gives a good tonguing to a woman."
Do we know that the hypothesis entailed by the premise?
The man is obviously giving a good tonguing to a woman.
The answer is yes.

Q: Test for natural language inference.
Premise: "A man with tattoos holds his chin and thinks."
Hypothesis: "The man is thinking about his next move in a chess game."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Holding ones chin and thinking does not imply that one is thinking about his next move in a chess game.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A person sitting on a ledge with a letter in their hands." can we conclude that "The person has a letter that his girlfriend wrote."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Only because a person is with a letter in hands doesn't necessarily mean the letter is that his girfriend wrote.
The answer is it is not possible to tell.

[QUESTION] Premise: "A guy dressed in a white uniform with a number 3 on it playing soccer."
Based on this premise, can we conclude that the hypothesis "A guy dressed in a black uniform with a number 6 on it playing chess." is true?
Options:
- yes
- it is not possible to tell
- no
The uniform can either be white with a number 3 on it or black with a number 6 on it.
The answer is no.

Q: Test for natural language inference.
Premise: "Two men are using phone-booths that are located shortly outside of the downtown area of a city."
Hypothesis: "By some trees."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Two men are stranded and use the phone booths to call for help.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A construction worker is fixing a large machine." is it true that "A man fixes a tractor."?
The man could be fixing a different large machine than a tractor.
The answer is it is not possible to tell.