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.

Example Input: Question: When Derek was observing waves, he noted that some had more energy than others. The waves with less energy had particles that were 
 Answer: closer
Example Output: The more energy the wave has, the farther the particles of the medium move.

Example Input: Question: Sandra is in a dark building and then suddenly goes exits onto a sunny street. Sarah's pupils will do this in response to the new bright light 
 Answer: shrink
Example Output: The pupil automatically gets bigger or smaller to let more or less light in as needed.

Example Input: Question: If Milo has asthma and moves to the city, what can happen to his asthma? 
 Answer: gets worse
Example Output:
Certain respiratory conditions can be made worse in people who live closer to or in large cites.