Definition: 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 of gametes produces a diploid zygote., Fact2: Zygotes are diploid and undergo cell division to become an embryo., Question: Fertilization of gametes produces (A) gonads (B) an organism's body (C) Plants growth (D) Plant reproduction (E) peachleaf willow (F) cell division (G) insulin (H) hormones
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
F