Detailed 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).
Q: Paragraph: More pollutants mean poorer air quality.
 Question: After the fire of a pile of tires at the landfill was put out, the reduction of smoke in the air made the air quality 
 Choices: A)better? 
B)worse
A:
better?