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

He reaches into his cubicle, takes out his keys and reenters the room.
He looks around the dark room, then clicks on the light.

It swings open revealing a stunned someone on her cellphone.
Someone faces a door and knocks.

A woman is underwater in a scuba diving suit.

Several pictures appear onscreen during the opening.