Task: Question Answering
Input (English): An engineering class has been instructed to develop a robot. The robot must be designed using electromagnetic energy as its only source of power. What topic is the engineering class most likely studying?  
 (A) the use of batteries and chemical energy (B) how radiant energy and solar collectors can be used (C) the conversion of kinetic energy to potential energy (D) how thermal energy can be converted into electrical energy
Output (English): B