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: Would a big star be 
 Answer: hotter
Example Output: Bigger stars produce more energy, so their surfaces are hotter.

Example Input: Question: Dwayne Johnson is weaker than Kevin Hart because he exercises less and therefore his muscles have grown 
 Answer: smaller.
Example Output: Exercising muscles increases their size, and bigger muscles have greater strength.

Example Input: Question: Compared to a large flat sheet of glass, would the curved lenses of a pair of binoculars refract 
 Answer: more light
Example Output:
The more curved the surface of a lens is, the more it refracts light.