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: Mars has _____ effect on the tides than the Moon. 
 Answer: less
Example Output: The Moon has a greater effect on the tides because, although it is much smaller than the Sun, it is much closer.

Example Input: Question: Milo owns two telescopes, one at the top of a mountain and one at the base. If he looks through the one at the top of the mountain, how much interference can he expect compared to the one at the bottom of the mountain? 
 Answer: less
Example Output: Many observatories are built on high mountains. There is less air above the telescope, so there is less interference from the atmosphere.

Example Input: Question: If Mona is filling her pool with chemicals to change the pH level of the water and she decreases the pH, what happens to the baseness of the water? 
 Answer: decrease
Example Output:
Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.