Task: Question Answering
Input (English): Use the information below to answer the question. The human body is composed of different systems made of specialized cells, tissues, and organs. Each of these structures has a specific function that aids in the survival of the human species. What is the primary function of the excretory system?  
 (A) to digest food (B) to help in defense (C) to eliminate waste (D) to enable movement
Output (English): C