[QUESTION] If "A black dog tugs on a rope." does that mean that "The dog is having fun."?
Options:
- yes
- it is not possible to tell
- no
The dog could be trying to pull something for work and we can't really tell if it's having fun.
The answer is it is not possible to tell.

Q: Premise: "Two black dogs in the snow."
Hypothesis: "Two black dogs fetch a tennis ball at the beach."
Do we know that the hypothesis entailed by the premise?
A: Two black dogs can't be at the beach if they are in the snow.
The answer is no.

QUESTION: Given the sentence "A dog jumps to catch an orange frisbee." is it true that "A dog is chasing a cat."?

Let's solve it slowly: A dog cannot catch a Frisbee and be chasing a cat at the same time.
The answer is no.

[QUESTION] Given the sentence "An equestrian rider is on a horse jumping over a plane that is on the ground." is it true that "An equestrian is riding a horse over a jump shaped like a plane at a competition."?
The rider might not be at a competition; he or she could be practicing.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A marching band playing on a football field."
Hypothesis: "A marching band is playing on a baseball field."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A marching band cannot be playing on a football field and baseball field at the same time.
The answer is no.

[QUESTION] Premise: "A snowboarder performs a trick by riding down the rail of a staircase."
Based on this premise, can we conclude that the hypothesis "Snowboarder flipping down staircase." is true?
Options:
- yes
- it is not possible to tell
- no
The snowboarder is either flipping down the staircase or performing a trick.
The answer is no.