Q: Can we conclude from "People standing around taking video." that "No one is taking a video."?
Options:
- yes
- no
- it is not possible to tell
A: Either people are taking video or no one is taking video - it can not be both.
The answer is no.

QUESTION: Given the sentence "An older gentleman with a gray jacket is asleep on a bench." can we conclude that "An older man is wearing a gray jacket."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Just because he has a gray jacket does not mean he is wearing a gray jacket.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Four children playing in the sand at a beach."
Hypothesis: "Four children playing in sand."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
To be playing in the sand at a beach requires playing in sand.
The answer is yes.

Q: Can we conclude from "A guy with a blue jean jacket is reading a book in a black and white checkered floored laundry mat." that "A man in a jean jacket reads a book."?
Options:
- yes
- no
- it is not possible to tell
A: A guy is a equivalent of man. Blue jean jacket is the color of jean jacket.
The answer is yes.

QUESTION: If "A man in a suit gives a presentation to a crowd of people." does that mean that "The man is in his underwear."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The man cannot both be in a suit and in his underwear.
The answer is no.

QUESTION: Can we conclude from "A man is adding steamed milk to a coffee beverage." that "This man wants to remove lazyness by drinking coffee."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Coffee can be used as a beverage for many reasons and not just if wants to remove lazyness.
The answer is it is not possible to tell.