TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: He stares wide - eyed as he crosses across to the door, steps to the window and turns a corner.

SOLUTION: Someone turns and approaches him slowly.

PROBLEM: He continues to ride around on the board past others sitting around.

SOLUTION: He is shown again riding in slow motion showing off his tricks.

PROBLEM: He begins to pull the stick and work out with the machine.

SOLUTION:
He is holding onto a stick attached to a machine.