Task: Question Answering
Input (English): Aristotle taught that a force was always required to keep an object moving. Which of the following states what Newton believed?  
 (A) Aristotle was correct. (B) Aristotle was correct for objects on Earth but not in space. (C) An object will keep moving unless an unbalanced force stops it. (D) A moving object will eventually stop even though an unbalanced force keeps pushing on it.
Output (English): C