Definition: 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: As greenhouse gases increase, changes will be more extreme.
 Question: If the people in Mary's country start to create less greenhouse gases, what will happen to the possibility that changes may occur? 
 Choices: A)increase 
B)decrease
Output:
decrease