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: Consider Input: Fact1: All chemical reactions require activation energy to get started., Fact2: Chemical changes are a result of chemical reactions., Question: What is required before a chemical change? (A) kinetic energy (B) energy usage (C) activation push (D) activation energy (E) activation switch (F) activation power (G) Burning fuel and air (H) Evaporation

Output: D

Input: Consider Input: Fact1: Soil can be depleted of nutrients., Fact2: Dirt is really misplaced soil., Question: When gardening what can be depleted of nutrients? (A) fertilizer (B) bacteria (C) the plant (D) coal (E) pine (F) the dirt (G) Acids (H) water

Output: F

Input: Consider Input: Fact1: Sperm had to swim from male to female reproductive organs for fertilization., Fact2: Endocrinology is the study of organs that produce hormones involved in fertility and reproduction., Question: What swim from organs that produce hormones for fertilization? (A) sperm (B) toads (C) embryos (D) blood (E) humans (F) eggs (G) seeds (H) ovaries
Output: A