[QUESTION] Given the sentence "A man using a scrub brush on a floor while crouching." is it true that "A man cleans the floor."?
A man using a scrub brush on a floor while crouching means the man cleaning the floor.
The answer is yes.

Q: Given the sentence "Two young men pretend to attack a third man with a colorful prop knife." is it true that "Three people are in a play."?
A: Two men attacking a third with a prop knife does not imply that they are in a play.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "Two babies look up while they are playing in a playpen with a lot of balls."
Hypothesis: "Two babies look up to there parents after meeting for the first time."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Babies look up does not imply they look up to their parents after meeting for the first time.
The answer is it is not possible to tell.

[QUESTION] Premise: "Young adults posing in spooky lighting."
Hypothesis: "Young adults are trying to get a halloween picture."
Do we know that the hypothesis entailed by the premise?
Young adults posing does not imply they are trying to get a halloween picture.
The answer is it is not possible to tell.

Q: Given the sentence "Watermelons for sale in a asian market." is it true that "Fruit for sale at a market."?
A: Watermelons are a type of fruit. An Asian market is a type of market.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "Woman in bra and skirt performing for people in a park."
Hypothesis: "The child was happy."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
There would not necessarily be a happy child in the group of people.
The answer is it is not possible to tell.