In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[EX Q]: Question: Which statement best explains why the Sun and the Moon appear to be about the same size in the sky? Answer: The Moon is smaller in diameter and is closer to Earth than the Sun.
[EX A]: The sun and the moon appear to be about the same size in the sky because the moon is smaller in diameter and is closer to earth than the sun.

[EX Q]: Question: Where do most red algae species live? Answer: oceans
[EX A]: Most red algae species live in oceans.

[EX Q]: Question: How many types of galaxies are there? Answer: three
[EX A]:
There are three types of galaxies.