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

[EX Q]: They do it again, laughing away together.
[EX A]: They switch places again, rapidly.

[EX Q]: To someone's surprise, he unfastens his artificial metal leg and places it on a stand.
[EX A]: He hobbles painfully towards a chair and sits down.

[EX Q]: He stops and glances back, then walks in the other direction and turns around.
[EX A]:
Someone turns and goes down the stairs, past someone who looks up at someone.