[QUESTION] Given the sentence "Three black dogs playing in a fenced area with a ball." can we conclude that "Two cats sleeping."?
Options:
- yes
- it is not possible to tell
- no
It cannot be three dogs and two cats at the same time. They cannot be sleeping and playing the same time.
The answer is no.

Q: Premise: "A man on a cellphone walking past four signs that all say ""never sleep again."
Hypothesis: "A person walking while talking on a cellular device."
Do we know that the hypothesis entailed by the premise?
A: Being on a cellphone is the same as talking on a cellular device.
The answer is yes.

QUESTION: Given the sentence "A man with a handkerchief around his mouth and nose in front of a well with graffiti on it." can we conclude that "A man has a handkerchief around his mouth and nose because it smells outside."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: This person could have used the handkerchief because it was smoggy outside not because it was smelling.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Many people in a very crowded square in a city at night."
Hypothesis: "People waiting in line for tickets at night."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
People in a crowded square does not imply waiting in line for tickets.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "Two doctors perform an operation."
Hypothesis: "The doctors are washing their clothes."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Doctors would never be washing their clothes while performing an operation.
The answer is no.

[QUESTION] If "Two men in yellow vests are working on a road." does that mean that "Two workers are standing on a road."?
Options:
- yes
- it is not possible to tell
- no
All men are not workers. Working is not equivalent to standing.
The answer is it is not possible to tell.