Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.

[Q]: He chalks lines through four more.
[A]: He's chalked architectural firms names on his wall.


[Q]: They talk back and forth in front of a large boulder.
[A]: A boy with a microphone is interviewing a man in sunglasses.


[Q]: A black van pulls up to the driver's side.
[A]:
People are riding on a yellow bus.