[QUESTION] Can we conclude from "Man with cup looking up while riding on an escalator." that "The man is riding an elevator."?
Options:
- yes
- no
- it is not possible to tell
Escalator is not same same elevator. One cannot ride on them simultaneously.
The answer is no.

Q: Given the sentence "Four cheerleaders at a basketball game dance at half-court during a break in the game." is it true that "Four cheerleaders were sitting and watching the crowd."?
A: Cheerleaders cannot be sitting and watching at the same time they are dancing.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A man in dirty clothes sleeps against a blue wall with graffiti."
Hypothesis: "A man sleeping under a blue wall."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: You can't sleep under and against a wall at the same time.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A boy and girl riding a roller coaster."
Hypothesis: "Two kids trapped forever."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Trapped is a different physical state than riding a roller coaster.
The answer is no.

Q: Can we conclude from "Guy skating on ice had a nice jump." that "There is a man skating outdoors in nice weather."?
Options:
- yes
- no
- it is not possible to tell
A: Skating on ice can be done both indoors and outdoors. Just because a skater has a nice jump doesn't mean the weather is also nice.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A waterskier cuts through the blue water with sailboats in the background." can we conclude that "It is a summer day."?
Options:
- yes
- it is not possible to tell
- no
Just because a waterskier cuts through the water it does not mean it is a summer day.
The answer is it is not possible to tell.