Instructions: 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).
Input: Paragraph: With less ozone in the stratosphere, more UV rays reach the ground.
 Question: If Mona is observing the atmosphere and measuring the amount of ozone in it, what happens to the amount of UV rays that will reach the ground if she notices the amount of ozone in the stratosphere is increasing? 
 Choices: A)increase 
B)decrease
Output:
decrease