Task: Question Answering
Input (English): Burning coal and natural gas are ways to produce electricity. Both coal and natural gas are nonrenewable resources. Which is an example of producing electricity using a renewable source of energy?  
 (A) using food pieces to make compost (B) gliding a boat through the water using sails (C) putting an energy-saving lightbulb in a lamp (D) heating a home with energy collected by solar panels
Output (English): D