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: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
 Question: Ray was traveling in rocket leaving orbit. He ejects the empty fuel containers so the ship can fly 
 Choices: A)higher 
B)lower
Example Output: higher

Example Input: Paragraph: If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.
 Question: Tony drives an SUV that contributes many greenhouse gases to the atmosphere. Evan rides a scooter that contributes few greenhouses gases to the atmosphere. Who likely contributes more to the Earth heating up? 
 Choices: A)Tony 
B)Evan
Example Output:
Tony