Question: How can you get rid of fruit flies without poison?

  Options: 
 A. Turn off all lights in the area but one, when all the flies gather there, light a flashlight, then turn off everything but the flashlight, you'll kill all the fruit flies with the flashlight, they'll fly right into it.
 B. Turn off all lights in the area but one, when all the flies gather there, light a candle, then turn off everything but the candle, you'll kill all the fruit flies with the candle, they'll fly right into it.
Answer: B