How to reduce your utility bills<br>Make sure that you turn the lights off whenever you leave the room. If there is no one in the room, there is no point in lighting it up and all you are really doing is wasting both electricity and money. You can buy timers if you are worried about burglars and other things but make sure that you do not leave unnecessary lights on.

Choose your answer: based on the paragraph above can we conclude that "Dont use lights that are not need"?

Possible answers: a. Yes. b. It's impossible to say. c. No.
I think the answer is
a.