Q: Premise: "A man is scalling a sheer rock face with a rope support."
Hypothesis: "The man is standing on his skateboard."
Do we know that the hypothesis entailed by the premise?
A: One cannot be scalling a rock and standing on a skateboard at the same time.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "An all black cat with bright green eyes has caught a gray mouse."
Hypothesis: "A black cat and a gray mouse."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The black cat could be sitting and simply looking at the gray mouse and has not actually caught it.
The answer is it is not possible to tell.

[QUESTION] If "A man carrying steel beams across a lumberyard." does that mean that "A man building a skyscraper."?
Options:
- yes
- it is not possible to tell
- no
A man can carry beams in a lumberyard without building a skyscraper.
The answer is it is not possible to tell.

Q: Premise: "A girl and guy dressed up in costumes."
Hypothesis: "Two siblings are wearing tube sock costumes."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Not every girl and guy are siblings. Not all costumes are tube sock costumes.
The answer is it is not possible to tell.

QUESTION: Premise: "Four kids rolling and sliding down a sand dune."
Hypothesis: "Four children are playing in rain puddles."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Playing on a sand dune is a different location to playing in rain puddles.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "People are walking up the stairs to the top of a yellow slide while others are sliding down it."
Hypothesis: "The people are laying on the concrete dead."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
People can't be laying on the concrete dead if they are walking up the stairs.
The answer is no.