In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs., Fact2: All reptiles produce eggs with a waterproof shell full of amniotic fluid., Question: Reptiles are a class of tetrapod vertebrates that produce eggs with a what? (A) kinetic energy (B) Chemical energy (C) the body's largest organ (D) heat energy (E) Epidermis (F) epidermis and dermis (G) waterproof shell (H) rapid expansion
G