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: If you are able to remove greenhouse gases the temperature will 
 Answer: go down

Ex Output:
A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.


Ex Input:
Question: Mike is digging for old rocks. Mike dig downs very, very shallow, and he expects the rocks there to be 
 Answer: younger

Ex Output:
Therefore, deeper rock layers must be older than layers closer to the surface.


Ex Input:
Question: Years from now, solar power will be _____ than it is today. 
 Answer: less expensive

Ex Output:

Solar power is expensive, but as demand increases technology improves and costs decrease.