[Q] Given the sentence "Two guys are playing their musical instruments as they sit on a small ledge on a sidewalk near a building with a painting of a large sleeveless guy with his arms akimbo." can we conclude that "The musicians are performing on the curb."?
Options:
- yes
- it is not possible to tell
- no
[A] A curb is the name for small ledge on a sidewalk.
The answer is yes.

[Q] Given the sentence "A group of people holding bags are standing in line for a train." is it true that "People are at the bus stop."?
[A] Either people are standing for a train (which would be underground) or at the bus stop (which would be above ground). They cannot do both simultaneously.
The answer is no.

[Q] Given the sentence "A man in a blue jacket with a helmet on skiing." can we conclude that "A man skiing on a difficult course."?
Options:
- yes
- it is not possible to tell
- no
[A] The man may not be skiing a difficult course because he is wearing a helmet.
The answer is it is not possible to tell.