Q: Premise: "A man in a blue shirt is fixing a bicycle wheel."
Hypothesis: "A man fixing his son's bike."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: The man fixing his son's bike doesn't necessarily have a blue shirt.
The answer is it is not possible to tell.

QUESTION: If "A young child in a pool wearing a life vest." does that mean that "The child is taking swimming lessons."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The child's presence in a pool and in a life vest does not mean that the child is receiving swimming lessons.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A yellow dog runs on white snow on a sunny day." can we conclude that "There is rain on a cloudy day."?
Options:
- yes
- it is not possible to tell
- no
The day cannot both be sunny and cloudy; it must be either one or the other.
The answer is no.

Q: Test for natural language inference.
Premise: "Several adults are tending their children outside on a sunny day."
Hypothesis: "The adults do not have children."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The adults cannot be tending to their children if they do not have any children.
The answer is no.

QUESTION: Given the sentence "Three men in yellow shirts stand behind a white railing." is it true that "Three men in yellow shirts have their hands on the white railing they are standing behind."?

Let's solve it slowly: Not all three men in yellow shirts standing behind a white railing have their hands on the white railing.
The answer is it is not possible to tell.

QUESTION: Premise: "Two couples sitting on a leather couch."
Hypothesis: "Four people sitting on a leather sofa."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Two couples implies four people and couch is a synonym for sofa.
The answer is yes.