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).

Ex Input:
Paragraph: With less ozone in the stratosphere, more UV rays reach the ground.
 Question: If Milo lives in a country that starts producing pollution which causes the ozone layer to deplete, what happens to the amount of UV rays that can reach the ground? 
 Choices: A)increase 
B)decrease

Ex Output:
increase


Ex Input:
Paragraph: The more extreme the amount of metamorphism, the more difficult it is to tell what the original rock was.
 Question: Evan is picking up rocks on the beach. Some rocks are very basic small ones, and others are large, clumpy stones with different textures. The rocks that are less difficult to identify had amounts of metamorphism that were 
 Choices: A)more extreme 
B)less extreme

Ex Output:
less extreme


Ex 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: David is getting ready to fly into space on a rocket. As the rocket shoots upwards, part of the mass attaches, allowing the rocket to go 
 Choices: A)higher 
B)lower

Ex Output:

lower