Q: Premise: "Pit crew working on a race car."
Hypothesis: "A pit crew works on a car."
Do we know that the hypothesis entailed by the premise?
A: A pit crew working on a car means the crew works.
The answer is yes.

QUESTION: Given the sentence "A crowd watching air balloons at night." is it true that "The balloons glow in the night sky."?

Let's solve it slowly: A crowd watching air balloons at night would implies the balloons are glowing in the night sky.
The answer is yes.

[QUESTION] Given the sentence "A person is sitting up high over a street." is it true that "A person sits on a bridge over a freeway."?
Sitting up high does not imply they are sitting on a bridge.
The answer is it is not possible to tell.

Q: Premise: "An elderly couple are sitting on a park bench while looking at a pamphlet."
Based on this premise, can we conclude that the hypothesis "The elderly couple are enjoying time together." is true?
Options:
- yes
- it is not possible to tell
- no
A: Couples sitting on a park bench are usually enjoying time together.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "Young boys running on grass."
Hypothesis: "The boys are indoors on a rainy day."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Young boys running on grass instead of being indoors on a rainy day.
The answer is no.

QUESTION: Given the sentence "A woman with black hair and a purple scarf looks at a pink scarf from a vendor in a street market." can we conclude that "A man tying his shoes."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
A woman with black hair and A man tying his shoes.
The answer is no.