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

[EX Q]: He demonstrates some of the correct moves to properly roller skate.
[EX A]: A man talks about the best practices to prepare to roller skate.

[EX Q]: He darts to his feet.
[EX A]: Someone has entered the room and stands behind someone.

[EX Q]: The hand then scrapes a brush across the board.
[EX A]:
A person's hand is seen holding a paint brush.