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: Dane is dropping bouncy balls out of windows. He drops a green ball out of the first story window, then a red ball out of the second story window. The ball with the least potential energy is the 
 Choices: A)red ball 
B)green ball
Example Output: green ball

Example Input: Paragraph: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.
 Question: John was looking at the rock layers at the bottom of the cliff. He saw that as the layers became deeper, they also became 
 Choices: A)Newer 
B)older
Example Output: older

Example Input: Paragraph: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.
 Question: When it gets cold out what happens to our blood flow? 
 Choices: A)decreases 
B)increases
Example Output:
decreases