Q: Premise: "A pit crew clad in blue working on a racer's motorcycle."
Hypothesis: "A crew member is changing the motorcycle tire."
Do we know that the hypothesis entailed by the premise?
A: Just because a pit crew is working on a racer's motorcycle doesn't imply changing the motorcycle tire.
The answer is it is not possible to tell.

QUESTION: Premise: "A man on the phone surrounded by stacks of books."
Hypothesis: "A man makes a phone call from inside a book store."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Stacks of books do not always mean he is in a book store.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Two guys are playing their musical instruments as they sit on a small ledge on a sidewalk near a building with a painting of a large sleeveless guy with his arms akimbo." can we conclude that "The musicians are performing on the curb."?
Options:
- yes
- it is not possible to tell
- no
A curb is the name for small ledge on a sidewalk.
The answer is yes.

Q: If "Two workers are on a cherry-picker." does that mean that "One leaning out with a safety harness and the other smiling at the camera."?
Options:
- yes
- it is not possible to tell
- no
A: One construction worker is on the ground and the other is on his lunch break.
The answer is no.

QUESTION: Premise: "A man running down the street wearing running clothes and running shoes."
Based on this premise, can we conclude that the hypothesis "A guy is running down the street and the cops are chasing him." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: If a cops are chasing a guy it is likely it is a criminal. But a person wearing running clothes and running shoes then it implies he is exercising.
The answer is no.

QUESTION: Premise: "A person watches as a snowboarder does a fancy trick in the air."
Hypothesis: "A person is watching a snow boarding competition."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
The person is watching as a snowboarder does a fancy trick but the snowboarder is not necessarily participating in a competition.
The answer is it is not possible to tell.