QUESTION: Given the sentence "Chinese workers are working at a factory." can we conclude that "People have lunch in an empty gymnasium."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Working and having lunch are two different things and factory is not an empty gymnasium.
The answer is no.

[QUESTION] Premise: "The black dog is climbing on a rock."
Hypothesis: "The dog is climbing on a rock at the ocean."
Do we know that the hypothesis entailed by the premise?
The black dog is climbing on a rock is not necessary to be near an ocean.
The answer is it is not possible to tell.

Q: If "Two men are standing in uniforms; one is giving a thumbs-up sign." does that mean that "Two men give thumbs down signs."?
Options:
- yes
- it is not possible to tell
- no
A: Both men cannot be giving the thumbs down if one is giving a thumbs-up.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "Three people walk away from the camera."
Hypothesis: "And a man in a black shirt looks back."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Three people are participating in a professional photoshoot for a magazine.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two businessmen are talking with a woman in the background."
Hypothesis: "They all work together."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Just because two businessmen are talking with a woman doesn't mean they all work together.
The answer is it is not possible to tell.

Q: If "A man skis on a snowy mountain." does that mean that "A person is moving down a slippery slope."?
Options:
- yes
- it is not possible to tell
- no
A:
If a man skis on a snowy mountain he is also a person moving down a slippery slope.
The answer is yes.