Q: Can we conclude from "The man is in front of a building." that "The man is behind the building."?
Options:
- yes
- no
- it is not possible to tell
A: Either the man is in front of the building or behind it. He cannot occupy two spaces at one time.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "Many people walking down a busy street holding umbrellas in the rain."
Hypothesis: "Many people are walking down the street under umbrellas."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Many people are walking down the street under umbrellas is a slightly shorter version of people walking down a busy street holding umbrellas in the rain.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "3 kids are playing with bubbles outside."
Hypothesis: "The children are riding bicycles."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
If the kids are playing with bubbles they are not riding bicycles.
The answer is no.

Q: Premise: "At a supermarket."
Hypothesis: "People are buying their groceries."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: People are taking advantage of a new sale at the market.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A man is pushing a food cart on the sidewalk." can we conclude that "Sidewalk food cart being pushing by vendor."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A man can be a vendor. Pushing a food cart is the same as a food cart being pushed.
The answer is yes.

QUESTION: Can we conclude from "A group of men pulling a rope on a crag." that "A group of men playing tug of war."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
A group of men pulling a rope on a crag does not mean that they playing tug of war.
The answer is it is not possible to tell.