[Q] Given the sentence "A man jumping onto a platform." is it true that "A man jumps on stage to meet his favorite band."?
[A] A man jumping onto a platform does not necessary that to meet his favorite band.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "A man with dark sunglasses sings into a microphone."
Hypothesis: "A man with glasses is singing."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Sunglasses are a type of glasses and he sings/ is singing into a mic.
The answer is yes.

[Q] Given the sentence "A construction vehicle on a hill of dirt." is it true that "A construction worker operates a vehicle."?
[A] The vehicle could be parked instead of having a worker operate it at that moment.
The answer is it is not possible to tell.