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

[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]: The woman cuts the wallpaper with a box cutter.
[EX A]: The woman puts wallpaper on the area.

[EX Q]: Someone pulls the door shut behind him as he leaves, but it 's happening too fast.
[EX A]:
Before he can say anything more.