You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Example Input: Paragraph: So the higher an object is above a surface, the more potential energy it has.
 Question: If Mona is holding a baseball above a table and then increases the height of that baseball from the table, what happens to the potential energy of the baseball? 
 Choices: A)increases 
B)decreases
Example Output: increases

Example Input: Paragraph: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.
 Question: A wave with more energy than another will have a _____-frequency. 
 Choices: A)lower 
B)higher
Example Output: higher

Example Input: Paragraph: When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive.
 Question: If Mona is a smoker, but decides to stop smoking, what happens to the difficulty her lungs experience in removing chemicals from the air? 
 Choices: A)increase 
B)decrease
Example Output:
decrease