Q: If "A german shepherd runs in the snow." does that mean that "The dog sits in the grass."?
Options:
- yes
- it is not possible to tell
- no
A: A dog which runs would not be sitting in the grass.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A man on the left speaks into a microphone."
Hypothesis: "While a man on the right plays an unidentified instrument with a drum set in the background."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A man sings into the microphone while a guitar player performs behind the drummer.
The answer is no.

[QUESTION] Given the sentence "Two men in colorful uniforms bike past a crowd of people." is it true that "Two men are patrolling a crowd of people."?
Two men in colorful uniforms are not necessarily patrolling a crowd of people.
The answer is it is not possible to tell.

Q: If "A showgirl puts on her lipstick in the mirror." does that mean that "A showgirl is on stage performing."?
Options:
- yes
- it is not possible to tell
- no
A: Either the showgirl puts on lipstick off stage or is on stage. She cannot be in both places at once.
The answer is no.

QUESTION: Can we conclude from "The young boy is enjoying himself playing on the water toys." that "A smiling boy drives a boat around in a bathtub."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The young boy is enjoying himself playing on the water toys does not indicate that a smiling boy drives a boat around in a bathtub.
The answer is it is not possible to tell.

QUESTION: If "A girl wearing a pink skateboard helmet is riding in a skateboard bowl." does that mean that "The girl in the skateboard bowl with the pink helmet is the best in her class."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Not all helmet is pink. Just because a girl wearing a pink skateboard helmet is riding in a skateboard bowl dos not mean that she is the best in her class.
The answer is it is not possible to tell.