Teacher: 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).
Teacher: Now, understand the problem? If you are still confused, see the following example:
Paragraph: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
 Question: John's town used to have lots of water, back when there were only a few hundred people. However, now that the town holds several thousand people, the water availability is 
 Choices: A)scarce 
B)plentiful
Solution: scarce
Reason: Based on the information given in the paragraph, population growth will make water more scarce, so that is the correct answer.

Now, solve this instance: Paragraph: When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive.
 Question: If Mona is a smoker, but decides to stop smoking, what happens to the difficulty her lungs experience in removing chemicals from the air? 
 Choices: A)increase 
B)decrease
Student:
decrease