Task: Question Understanding
Input (English): Question: A simple electromagnet can be made by wrapping metal wire around a nail, and attaching the ends of the wire to an electrical source. When the electrical source is turned on, the nail will (A) repel substances that normally respond to magnets. (B) reverse the flow of the electric current. (C) complete the circuit and cause the light bulb to light. (D) attract substances that respond to magnets.?
Output (English): electromagnet, wrapping, wire, electrical, source., nail