QUESTION: Given the sentence "Woman with umbrella riding bike behind couple walking while using one umbrella." is it true that "The woman is wearing a helmet."?

Let's solve it slowly: Not all women riding a bike must be wearing a helmet.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "Two men stand beside a yellow and blue tow truck on the side of the street outside of a discount grocery store." that "Two men are next to a truck."?
Options:
- yes
- no
- it is not possible to tell
To be beside something is the same as being next to it.
The answer is yes.

Q: Given the sentence "Two men bent over a curb working on something." can we conclude that "Two people work on the street."?
Options:
- yes
- it is not possible to tell
- no
A: The two men do no necessarily have to be working on the street itself.
The answer is it is not possible to tell.

QUESTION: Given the sentence "Two men kick in the air at each other on a grassy area." is it true that "While another man watches them in the background."?

Let's solve it slowly: The two guys are martial artists and the third guy is the referee.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man sitting outdoors ironing fabric while three people observe."
Hypothesis: "Three people get ready to attack the king of irons."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Observe means to watch and study the subject. Attack requires taking action.
The answer is no.

Q: Premise: "The boy is jumping into the swimming pool."
Hypothesis: "The boy jumped into the water."
Do we know that the hypothesis entailed by the premise?
A:
Water is what you would expect to find in a swimming pool.
The answer is yes.