TASK DEFINITION: In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.
PROBLEM: Question: What could be used to fill a beach ball? Answer: Oxygen.

SOLUTION: a beach ball contains gas

PROBLEM: Question: Within a power station meant to process coal, electricity is? Answer: reaped.

SOLUTION: coal is used to produce electricity by burning in coal-fire power stations

PROBLEM: Question: Pressing the power button on an mp3 player? Answer: switches a simple series circuit on or off.

SOLUTION:
when a switch in a simple series circuit is closed , electricity will flow through the circuit