[QUESTION] Test for natural language inference.
Premise: "A young man in a blue shirt with a gray backpack places a sign onto a concrete pillar."
Hypothesis: "A young man in a backpack is hanging an advertisement on a pillar."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A young man placing a sign onto a concrete pillar is not necessarily hanging an advertisement.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "A man with a hat on is reading behind a woman in a heavy coat." that "A man is reading."?
Options:
- yes
- no
- it is not possible to tell
A man with a hat on is reading implies a man is reading.
The answer is yes.

[QUESTION] Premise: "A dancer at mardi gras parade."
Hypothesis: "A person is at a public celebration."
Do we know that the hypothesis entailed by the premise?
A Dancer is a person and a Mardi Gras parade is a public celebration.
The answer is yes.

[QUESTION] Premise: "A man arranges the flatbreads he is selling."
Hypothesis: "A man setting up a sales display at the market."
Do we know that the hypothesis entailed by the premise?
Not all man arranges the flatbreads he is selling at the market.
The answer is it is not possible to tell.