Q: Given the sentence "A street juggler performing while wearing a colorful outfit." is it true that "The juggler used to perform in a circus."?
A: A street juggler performing not necessarily used to perform in a circus.
The answer is it is not possible to tell.

Q: Premise: "A young couple posing on a couch."
Hypothesis: "A couple are on a couch."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Posing on a couch is the same as on a couch.
The answer is yes.

Q: Test for natural language inference.
Premise: "A child wearing a hat and jacket is outside running on a stone surface."
Hypothesis: "A child is running after his dog outside."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A child running outside on a stone surface does not mean that the child is always running after his dog.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A man in a blue shirt and a woman in a red shirt sitting on the grass."
Hypothesis: "The man is about to propose to the woman."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Sitting on the grass does not imply he is about to propose.
The answer is it is not possible to tell.