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: 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

Ex Output:
The pupil automatically gets bigger or smaller to let more or less light in as needed.


Ex Input:
Question: Objects that are farther apart have a _____ force of gravity. 
 Answer: weaker

Ex Output:
Objects that are closer together have a stronger force of gravity.


Ex Input:
Question: Two suns closing in on each other will have _____ gravitational pull between them. 
 Answer: increasing

Ex Output:

The closer objects are, the stronger the gravitational pull between them.