Task: Question Answering
Input (English): Paragraph: An object has greater momentum if it has greater mass, greater velocity, or both.
 Question: Marie is rolling cards down a hill. She wants to know which cart will get to the bottom of the hill slower, an empty cart, or a full cart? The cart that will finish first will have a mass that is 
 Choices: A)lower 
B)higher
Output (English): lower