TASK DEFINITION: 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.
PROBLEM: Question: Saturn is made mostly of helium and what else? Answer: hydrogen

SOLUTION: Saturn is made mostly of helium and hydrogen.

PROBLEM: Question: Unlike wild animals, what type of species are genetically uniform, making them more vulnerable to die-out from disease? Answer: domestic species

SOLUTION: Unlike wild animals, domestic species type of species are genetically uniform, making them more vulnerable to die-out from disease.

PROBLEM: Question: What is the term for electric current that keeps reversing direction? Answer: alternating current

SOLUTION:
Alternating current is the term for electric current that keeps reversing direction.