Q: Premise: "A person rock climbing by using the one wall as support."
Hypothesis: "A person's first rock climb."
Do we know that the hypothesis entailed by the premise?
A: Many people participate in rock climbing when it is not their first rock climb.
The answer is it is not possible to tell.

QUESTION: If "A man on a bike sitting in traffic." does that mean that "The man is trying to deliver a pizza."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Not all man on a bike sitting in traffic is trying to deliver a pizza.
The answer is it is not possible to tell.

[QUESTION] If "A man is bent over working on a red vehicle." does that mean that "A man is fixing a car."?
Options:
- yes
- it is not possible to tell
- no
Working on a vehicle is the same as fixing a car.
The answer is yes.

Q: Premise: "Eight racers coming around the curve in front or a packed arena."
Hypothesis: "Eight racers are trying to beat each other in a race with spectators."
Do we know that the hypothesis entailed by the premise?
A: If racers are at an arena there should be spectators and they should be trying to beat each other.
The answer is yes.

QUESTION: Can we conclude from "A woman stands on a mountain looking at others." that "A woman enjoying beauty of mother nature."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The obvious act implied while standing on a mountain is enjoying beauty of mother nature.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "A man wearing a black shirt with his arm around a woman walking down the street."
Hypothesis: "A man wearing a blue shirt playing tennis."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Black and blue are two different colors. Someone playing tennis cannot have their arm around someone while walking down the street.
The answer is no.