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: The lighter someone's skin is the _____ melanin they have. 
 Answer: less

Ex Output:
However, the melanocytes of people with darker skin produce more melanin.


Ex Input:
Question: If the Earth's orbit moves farther away from the Sun, what happens to the gravitational force between the two planets? 
 Answer: it decreases

Ex Output:
This is because the gravitational force of attraction between the Earth and Sun is stronger when the Earth is closer to the Sun.


Ex Input:
Question: A rocket would only be able to fly low if its mass were 
 Answer: higher

Ex Output:

By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.