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: If you defocus the sun's rays with a lens they are 
 Answer: weaker
Example Output: The more focused the Suns rays are, the more energy an area receives and the warmer it is.

Example Input: Question: If a substance is tested and has a high pH of 12 we could say that the substance is 
 Answer: basic
Example Output: For bases we can state the folllowing: The higher the pH of a substance, the more basic it is.

Example Input: Question: When it is very warm what happens to the speed of items? 
 Answer: speed up
Example Output:
For a given medium, sound waves travel more slowly at lower temperatures.