Instructions: 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").
Input: Fact1: Fertilization occurs when a sperm and an egg fuse to form a diploid zygote., Fact2: Penetration is when the sperm and egg meet and the sperm makes it way into the egg cytoplasm., Question: what requires penetration? (A) gravity (B) weathering (C) gastropod shells (D) the skin (E) an object (F) death (G) Veins and arteries. (H) fertilization
Output:
H