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: Saturn is made mostly of helium and what else? Answer: hydrogen
[EX A]: Saturn is made mostly of helium and hydrogen.

[EX Q]: Question: Which of the following sets contains only objects that shine as a result of reflected light? Answer: moons, planets, and comets
[EX A]: The setmoons, planets, and comets contains only objects that shine as a result of reflected light.

[EX Q]: Question: Why does a large log burn relatively slowly compared to the same mass of wood in the form of small twigs? Answer: smaller surface area
[EX A]:
Smaller surface area does a large log burn relatively slowly compared to the same mass of wood in the form of small twigs.