[QUESTION] Can we conclude from "A large group of people surround a large fountain." that "There's nobody around the fountain."?
Options:
- yes
- no
- it is not possible to tell
There are either people surround a fountain or nobody is around a fountain.
The answer is no.

Q: Premise: "A baby plays with food while sitting in a highchair."
Hypothesis: "A baby is eating lunch."
Do we know that the hypothesis entailed by the premise?
A: A baby that plays with food while sitting in a highchair doesn't imply the baby is eating lunch.
The answer is it is not possible to tell.

QUESTION: If "A young boy playing with an improvised toy." does that mean that "A boy creates a creative new toy."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The boy who creates the new toy is not the same young boy who is playing with it.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "The brown and white dog is in the water." can we conclude that "A brown dog and a white dog are in the water."?
Options:
- yes
- it is not possible to tell
- no
One brown and white dog is not one brown dog and one white dog.
The answer is no.

Q: Can we conclude from "Two hikers stroll up a hill to take photographs." that "The hikers are taking shower."?
Options:
- yes
- no
- it is not possible to tell
A: The hikers cannot be taking shower and stroll up a hill to take photographs simultaneously.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "A band consisting of three men and a woman perform in an alley with a van in the background."
Hypothesis: "A band is having an impromptu practice in front of their tour van before a concert."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Not all bands are having an impromptu practice in front of their van.
The answer is it is not possible to tell.