[Q] Can we conclude from "The crowd watches the musher's dog sled." that "The sled was destroyed in a fire 150 years ago."?
Options:
- yes
- no
- it is not possible to tell
[A] They could not be watching a musher's sled if the sled was destroyed.
The answer is no.

[Q] Can we conclude from "Two african men mind their own business." that "The men run a grocery store business."?
Options:
- yes
- no
- it is not possible to tell
[A] Men who run a business can run many kinds of businesses and be of any ethnic background.
The answer is it is not possible to tell.

[Q] Given the sentence "A man putting up letters on a sign with a long pole in front of a store." can we conclude that "The man works at a restaurant."?
Options:
- yes
- it is not possible to tell
- no
[A] The man is in front of a store but he doesn't necessarily work at a restaurant.
The answer is it is not possible to tell.