[QUESTION] Premise: "Three bicyclists race around a curve."
Based on this premise, can we conclude that the hypothesis "Cyclists without helmets are racing each other." is true?
Options:
- yes
- it is not possible to tell
- no
Cyclists don't have to be without helmets to be racing around a curve.
The answer is it is not possible to tell.

Q: Given the sentence "Man airborne on wakeboard with elevation in the background and blue water." is it true that "A man is on a surfboard."?
A: One can not be on a wakeboard and a surfboard at the same time.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "Police dog has caught a trainer."
Hypothesis: "Watched by a group."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The fact that police dog has caught a trainer does not imply it is watched by a group.
The answer is it is not possible to tell.

[QUESTION] Premise: "There is 1 girl playing the cello and has half her face painted like a zombie."
Hypothesis: "A girl is playing cello for a halloween show."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Just because her face is painted like a zombie does not mean it is halloween.
The answer is it is not possible to tell.

Q: Premise: "A man in a hat and coat is talking on the phone next to a building with a sign that is in a foreign language."
Hypothesis: "There is a man in a hat and coat talking to his wife on the phone."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: You don't know if the man in on the phone is talking to his wife.
The answer is it is not possible to tell.

[QUESTION] Premise: "A black and brown dog jumps in the air to catch a soccer ball."
Based on this premise, can we conclude that the hypothesis "Two dogs are trying to catch a ball while with their owner." is true?
Options:
- yes
- it is not possible to tell
- no
That one dog jumps to catch a ball doesn't imply that there are two dogs trying to catch a ball or that their owner is part of the action.
The answer is it is not possible to tell.