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: What are a class of tetrapod vertebrates that produce amniotic eggs called? Answer: reptiles

SOLUTION: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs called.

PROBLEM: Question: Ionic compounds contain cations and anions rather than what? Answer: discrete neutral molecules

SOLUTION: Ionic compounds contain cations and anions rather than discrete neutral molecules.

PROBLEM: Question: What is contained in the skin of brightly colored poison dart frogs? Answer: toxins

SOLUTION:
Toxins is contained in the skin of brightly colored poison dart frogs.