Q: If "A man is on the ground while a person on a skateboard talks to them." does that mean that "A man on a skateboard checks to see if a man on the ground is ok."?
Options:
- yes
- it is not possible to tell
- no
A: A man is on the ground while a person on a skateboard talks to them does not indicate that a man on a skateboard checks to see if a man on the ground is ok. does not mean that he checks to see if a man on the ground is ok.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "Man standing wile wearing a helmet."
Hypothesis: "The man is riding without a helmet."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A man can't be simultaneously wearing and not wearing a helmet.
The answer is no.

[QUESTION] Premise: "A boy jumping onto a sled."
Hypothesis: "A boy rides a sled."
Do we know that the hypothesis entailed by the premise?
The boy is either jumping onto a sled or he rides a sled.
The answer is no.

Q: Premise: "Two backpackers make their way up the steps of an ancient temple."
Hypothesis: "The backpackers survey the land for new details."
Do we know that the hypothesis entailed by the premise?
A: Make their way up steps does not imply to survey the land.
The answer is it is not possible to tell.

QUESTION: Premise: "Four people riding horses along beach."
Hypothesis: "The people are riding cows."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Four people cannot be riding horses and riding cows at the same time.
The answer is no.

QUESTION: Can we conclude from "A man advertises with a giant sign tied onto his bicycle." that "Man selling his things."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Someone selling things does not mean they always have a sign attached to their bicycle.
The answer is it is not possible to tell.