Task: Question Answering
Input (English): Which situation would most likely cause an object to travel in a circular motion?  
 (A) one force acting on the object in the opposite direction of the motion (B) two forces acting on the object in the same direction as the motion (C) one force acting on the object perpendicular to the direction of the motion (D) two forces acting on the object in different directions to the motion
Output (English): C