QUESTION: Given the sentence "A mailman with a rolling mailbag smiling at the camera in front of a wall topped with an iron decorative fence." is it true that "The mailman is driving his mail truck."?

Let's solve it slowly: The man rolling mailbag in front of a wall topped with an iron decorative fence could not have been the one driving his mail truck.
The answer is no.

[QUESTION] Can we conclude from "A woman is giving a speech for the women's bureau." that "A man is listening to another man sing a song."?
Options:
- yes
- no
- it is not possible to tell
Woman is not a man and giving speech is different from listening to a song.
The answer is no.

Q: Premise: "A beautiful asian lady standing in a crosswalk in a french maid costume with a jacket on."
Hypothesis: "The female cosplayer wears a jacket."
Do we know that the hypothesis entailed by the premise?
A: Just because a beautiful asian lady has a french maid costume on doesn't mean she is a cosplayer. She may be dressed as a french maid for Halloween.
The answer is it is not possible to tell.

QUESTION: Premise: "Person in a graphic print t-shirt standing in front of shelves of purses and shoes."
Hypothesis: "The person is shopping online."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: If the person is shopping online he/she will not be standing in front of shelves of purses and shoes.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "Several soldiers wearing hard hats pose for a picture with two unenthusiastic little boys wearing red and blue outfits."
Hypothesis: "The boys would rather be playing outside."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Several soldiers wearing hard hats pose for a picture with two unenthusiastic little boys wearing red and blue outfits does not indicate that the boys would rather be playing outside.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "Old man entertains his family by playing accordion."
Hypothesis: "An old jewish man plays a klezmer song."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Old man entertains his family by playing accordion does not indicate that an old Jewish man plays a Klezmer song.
The answer is it is not possible to tell.