QUESTION: Test for natural language inference.
Premise: "Muzzled greyhounds are racing on the track."
Hypothesis: "Greyhounds are racing on a track."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Greyhounds may be muzzled or otherwise but they are on a track.
The answer is yes.

[QUESTION] Can we conclude from "A man jumps from a concrete slab to the surface below as someone on the lower level ignores him." that "There is a guy doing skateboard tricks."?
Options:
- yes
- no
- it is not possible to tell
A guy that is jumping from a concrete slab is more than likely not doing skateboard tricks.
The answer is no.

Q: Can we conclude from "Men standing on scaffolding are working." that "Men are working cleaning windows while on scaffolding."?
Options:
- yes
- no
- it is not possible to tell
A: Men standing on scaffolding are working does not necessary that they are working cleaning windows while on scaffolding.
The answer is it is not possible to tell.

QUESTION: If "A policeman stands in a crosswalk in a city." does that mean that "The policeman is directing traffic."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A policeman stands in a crosswalk in a city does not imply that he is directing traffic.
The answer is it is not possible to tell.

[QUESTION] If "A person with a black cap looking at the water." does that mean that "A man dropped is phone in the water."?
Options:
- yes
- it is not possible to tell
- no
People don't only look at water because they dropped their phone in the water.
The answer is it is not possible to tell.

Q: Given the sentence "A man is playing drums in a band with a gray jacket on." is it true that "A human playing."?
A:
A man playing and human playing are equivalent as part of man's description in a band.
The answer is yes.