Q: Given the sentence "Two men working at a stand selling pictures." is it true that "Men are selling hot dogs."?
A: Men can't be selling hot dogs if they are selling pictures.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A man and a woman is having a conversation on a road."
Hypothesis: "Two people are kissing."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Two people kissing is contradictory to the man and woman having a conversation on the road.
The answer is no.

[QUESTION] Can we conclude from "Man and women in a halloween costume having a conversation." that "Two people are going swimming."?
Options:
- yes
- no
- it is not possible to tell
People do not typically go swimming while wearing a Halloween costume.
The answer is no.

Q: 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
A: 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.

QUESTION: If "Men standing around talking on cellphones." does that mean that "The men have cellphones in their hands."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: If men are talking on their cellphones then men have cellphones in their hands.
The answer is yes.

QUESTION: Given the sentence "Bike riding in the square." is it true that "People are inside playing video games."?

Let's solve it slowly:
People are either outside riding bikes in a square or inside playing games. They cannot do both simultaneously.
The answer is no.