Task: Question Generation
Input (English): Batteries are put in a flashlight. The flashlight is turned on. Two contact strips touch one another. A circuit is completed between the batteries and the lamp. The lamp in the flashlight begins to glow. The reflector in the flashlight directs the lamp's beam. A straight beam of light is generated. The flashlight is turned off. The circuit is broken. The beam is no longer visible. 
Output (English): Describe how a flashlight works