In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Ex Input:
Question: A smoker's body works _____ just to get needed air. 
 Answer: more

Ex Output:
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.


Ex Input:
Question: Exponential growth of a population of animals means it 
 Answer: increases

Ex Output:
With exponential growth, the population starts out growing slowly. As population size increases, the growth rate also increases.


Ex Input:
Question: Suppose that Mary smokes cigarettes for 20 years. If you measured the oxygen levels in her blood before she started smoking and compared them to oxygen levels later in her life, what would you find? 
 Answer: less oxygen in her blood later in life

Ex Output:

Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.