Given the task definition and input, reply with output. 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: Fertilization takes place inside the female organism., Fact2: Fertilization is the penetration of the egg by a sperm., Question: he penetration of the egg by a sperm takes place inside what? (A) Microscope (B) an object (C) ejaculate (D) epidermis and dermis (E) male organism (F) female organism (G) Veins and arteries. (H) testicles
F