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 Mona is currently 35 years old and she lives her life until the age of 85, what happens to her chance of contracting a disease as she grows older? 
 Answer: increase
Example Output: Many diseases become more common as people grow older.

Example Input: Question: Rachel was looking into the night sky. The darkest star is most likely: 
 Answer: the coldest
Example Output: The hotter a main sequence star is, the brighter it is.

Example Input: Question: Sally is pulling two wagons. The red wagon is full of sand, and the blue wagon is empty. The wagon that will be more difficult to pull is the 
 Answer: red wagon
Example Output:
The full box is harder to move because it has greater mass and therefore greater inertia.