QUESTION: Test for natural language inference.
Premise: "A man about to throw a tennis ball to a brown dog in the grass."
Hypothesis: "A man is going to throw a ball for the dog because the dog enjoys playing fetch."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Not all dogs enjoy playing fetch. Tennis balls aren't only used for a dog who enjoys fetch.
The answer is it is not possible to tell.

[QUESTION] Premise: "A student at a 2012 graduation is shaking someone's hand from his seat."
Based on this premise, can we conclude that the hypothesis "A student taking an exam." is true?
Options:
- yes
- it is not possible to tell
- no
The student can't be graduating if he's still taking an exam.
The answer is no.

Q: Premise: "Two children swing in dusty rooftop from a swing made from a steel drum."
Hypothesis: "The swing is made from a tire."
Do we know that the hypothesis entailed by the premise?
A: A swing made from tire cannot at the same time be made from a steel drum.
The answer is no.

QUESTION: Premise: "A lady riding a mini motorcycle."
Based on this premise, can we conclude that the hypothesis "The woman is riding a bicycle." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: One can either be riding a motorcycle or riding a bicycle.
The answer is no.

[QUESTION] If "A couple walking the beach together probably remembering good times." does that mean that "A couple is arguing at a lake."?
Options:
- yes
- it is not possible to tell
- no
The couple can't be arguing and remembering good times at the same time.
The answer is no.

Q: Can we conclude from "Two kids running over a sand dune." that "Two children are running outside."?
Options:
- yes
- no
- it is not possible to tell
A:
Sand dune is a mound of sand. So running over a sand dune implies children are running outside.
The answer is yes.