[QUESTION] Given the sentence "A man is sitting on his front step." can we conclude that "A man is sitting on his step."?
Options:
- yes
- it is not possible to tell
- no
All that is omitted is the position of the step. A man is sitting on his front step implies a man is sitting on his step.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A race car spins on the track."
Hypothesis: "A race car spins toward the infield grass."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A race car can spin on the track and yet not head toward the infield grass. There may be no infield grass near a race track.
The answer is it is not possible to tell.

[QUESTION] If "A young person is swimming in the pool." does that mean that "A person is in water."?
Options:
- yes
- it is not possible to tell
- no
The person is swimming in the pool so they must be in water.
The answer is yes.

[QUESTION] Can we conclude from "People seen through the window of a bus." that "People wating for a bus."?
Options:
- yes
- no
- it is not possible to tell
The people can be either waiting for a bus or they can be seen through the window of a bus.
The answer is no.