Task: Question Answering
Input (English): A group of students have decided that the amount of electricity used by the school should be reduced. The students want to develop a plan to solve this problem. What should the group do first?  
 (A) determine what materials should be used to implement the plan (B) conduct research on energy conservation to form the plan (C) improve the design of the plan (D) test the validity of the plan
Output (English): B