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 Input:
Fact1: insect bites cause harm to living things, Fact2: Iguanas are a lot like dogs, people and other living things., Question: What can an insect to do cause harm to people? (A) humans (B) Injury (C) Bite an iguana (D) Bite a dog (E) deadly (F) Bite (G) death (H) Bite an insect

Ex Output:
F

Ex 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

Ex Output:
F

Ex Input:
Fact1: Cells secrete acids and bases to maintain the proper pH for enzymes to work., Fact2: Enzyme systems efficiency is pH dependant., Question: Cells secrete acids and bases to maintain enzyme systems what? (A) breakdown (B) failure (C) efficiency (D) it needs them (E) kinetic (F) health (G) distractions (H) state

Ex Output:
C