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 an astronaut feel a greater gravitational pull from the Earth when he is standing 
 Answer: on the floor of his house
Example Output: The gravitational force between two objects decreases as the objects move further apart.

Example Input: Question: Jim's skin was noticeably darker than his friend Matt's skin. This means that _____ produces more melanin. 
 Answer: Jim
Example Output: However, the melanocytes of people with darker skin produce more melanin.

Example Input: Question: Decker pulls some taffy as far as he can. The elastic potential energy of the candy would 
 Answer: increase
Example Output:
The farther the object is stretched or compressed, the greater its elastic potential energy is.