QUESTION: Can we conclude from "Dirtbikers race on a muddy track." that "A racer has fallen."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A racer does not have to have fallen in order to be muddy.
The answer is it is not possible to tell.

[QUESTION] Premise: "An asian man and woman smile while the man points to something to the right of the picture."
Hypothesis: "The man and woman are wind sailing in the bermuda."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A man and woman smile as man points to the right. The man and woman are wind sailing.
The answer is no.

Q: Test for natural language inference.
Premise: "A man in orange talking on his cellphone."
Hypothesis: "Mobile conversation is made by man."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Talking on his cellphone is the same as having a mobile conversation.
The answer is yes.

QUESTION: Premise: "A large gray bird begins to land in the water."
Hypothesis: "The bird is hungry."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A bird landing on the water does not mean it is hungry.
The answer is it is not possible to tell.

[QUESTION] If "Two young children ride bicycles." does that mean that "Two kids are playing outside."?
Options:
- yes
- it is not possible to tell
- no
Not all children who ride bicycles are inside. Not all children who ride bicycles are playing.
The answer is it is not possible to tell.

Q: Given the sentence "A bmx rider launches off a quarterpipe." is it true that "The bmx rider launches off the quarterpipe for the fourth time."?
A:
It does not have to be the fourth time the bmx rider launches off.
The answer is it is not possible to tell.