Question and answer: Q: Test for natural language inference.
Premise: "Two couples practice dance moves in a parking lot while three people look on."
Hypothesis: "Two couples are practicing for the upcoming local dance marathon."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: it is not possible to tell
Explanation: Practicing dancing doesn't imply doing it for a local dance marathon.

Question and answer: Q: Premise: "A man driving an ice cream truck past apartment buildings."
Hypothesis: "A man goes to a new neighborhood to sell ice cream."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation: Nothing says the man drove the truck past apartment building to sell ice cream.

Question and answer: Q: If "A girl hands her mouth with a oriental fan as she looks on with her red eyes." does that mean that "A sad girl hands her mouth with a oriental fan as she looks on with her red eyes."?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation:
Not all girls that hand their mouth with a fan and look on are sad.