[QUESTION] Given the sentence "Two men are working together on a ladder." can we conclude that "Two men are in a truck parked at the curb."?
Options:
- yes
- it is not possible to tell
- no
Men working together on a ladder cannot be in a truck same time.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "The man in the blue shirt is riding his bike down the street."
Hypothesis: "A man is riding a bike to the store."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Riding down the street may not be for going to the store.
The answer is it is not possible to tell.

[QUESTION] Premise: "A painter is sitting on a scaffold in front of a window."
Hypothesis: "Worker sitting on scaffolding outside."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
The worker that is sitting on the scaffolding is the painter that is sitting on a scaffold.
The answer is yes.

[QUESTION] Premise: "An airborne man on a surfboard."
Hypothesis: "A man mid air while his bike falls to the floor."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A man cannot be on both a surfboard and a bike at the same time.
The answer is no.