Task: Question Answering
Input (English): Paragraph: Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied.
 Question: If Mona is building a machine to help her vacuum her floor and she decreases the amount of force the engine inside the vacuum, what happens to the vacuum ability to make work easier? 
 Choices: A)increases 
B)decreases
Output (English): decreases