Q: Test for natural language inference.
Premise: "A man in a robe leaning against a trashcan and watching pedestrians."
Hypothesis: "A man is looking for a friend."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Not all man in a robe leaning against a trashcan and watching pedestrians is looking for a friend.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A man lays down on a snowbank that has piled up high around the front door of his house."
Hypothesis: "The man a hair dryer trying to melt all the snow."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A man lays down cannot try to melt all the snow.
The answer is no.

[QUESTION] If "A man rides a bike through a course." does that mean that "A man is walking through the woods."?
Options:
- yes
- it is not possible to tell
- no
A man is either rides a bike through a course or walking through the woods.
The answer is no.

Q: Test for natural language inference.
Premise: "Two boy scouts are standing on what appears to be a stage surrounded by a camping scene."
Hypothesis: "Two boys preparing to start a camp fire on a stage."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Boys preparing to start a camp fire are not necessarily surrounded by a camping scene on a stage.
The answer is it is not possible to tell.

QUESTION: Given the sentence "There is a man in a black trench coat." can we conclude that "A man is a gangster wearing a long coat."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Wearing a black trench coat does not make a person a gangster.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "Here are some elderly people sitting on the bench in the park."
Hypothesis: "Some elderly people are wearing hats on a bench."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Elderly people sitting on a bench in a park may or may not be wearing hats.
The answer is it is not possible to tell.