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").

[EX Q]: Fact1: Humans have collected and grown mushrooms for food for thousands of years., Fact2: Yeast and mushrooms are types of fungus., Question: What have humans collected and grown for thousands of years? (A) Organic compounds (B) types of coral (C) types of ferns (D) bioaerosols (E) Most plants (F) types of fungus (G) types of pine trees (H) peachleaf willow
[EX A]: F

[EX Q]: Fact1: Fertilization occurs when sperm swim to an egg inside an archegonium., Fact2: Gametes in males are called sperm, and in women commonly referred to as eggs., Question: What occurs when a male gamete swims to an egg? (A) permineralization (B) competition (C) movement (D) rapid expansion (E) fertilization (F) birth (G) copulation (H) ovulation
[EX A]: E

[EX Q]: Fact1: when a metal rusts , that metal becomes orange on the surface, Fact2: Water cause parts to rust, and even a very small amount of rust can damage injectors., Question: What causes metal surface to become orange? (A) storms (B) heat (C) fires (D) wind (E) antigen (F) pigment (G) water (H) light
[EX A]:
G