[QUESTION] Test for natural language inference.
Premise: "A cop stands in front of a car on a busy street."
Hypothesis: "A cop blocked off traffic due to a accident."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A cop standing in front of a car doesn't mean he blocked off traffic or that it was because of an accident.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Four men and a woman are on stage answering questions about a book."
Hypothesis: "There are four men in suits and a woman in a white gown on a stage answering questions from a large crowd."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Not all men wear suits and not all woman wear a gown.
The answer is it is not possible to tell.

[QUESTION] Premise: "A yellow dog carries a ball in its mouth on the beach."
Hypothesis: "A dog carries a ball in it's mouth."
Do we know that the hypothesis entailed by the premise?
The dog who carries a ball can be described with the ball whether or not he is on a beach.
The answer is yes.

[QUESTION] Premise: "Two women are walking in a crosswalk with a bus in the background."
Based on this premise, can we conclude that the hypothesis "A bus waits for people to cross the street." is true?
Options:
- yes
- it is not possible to tell
- no
People use a crosswalk to cross the street. If a bus waits it would be in the background.
The answer is yes.