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: Behaviors that improve fitness increase through natural selection., Fact2: Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources., Question: The evolution of animal genetic resources can be impacted by: (A) extinction (B) Mars (C) competition (D) Darwin (E) agriculture (F) behavior (G) environment (H) Galapagos Islands

Ex Output:
F


Ex Input:
Fact1: Populations of viruses do not grow through cell division because they are not cells., Fact2: Prokaryotes multiply by simple cell division, forming clones or exact copies of themselves., Question: What are viruses not? (A) self-copies (B) an object (C) HIV (D) humans (E) infectious (F) homogenous (G) dangerous (H) prokaryotes

Ex Output:
H


Ex Input:
Fact1: Earthworm burrows help aerate soil, which is also good for plants., Fact2: Insects and earthworms are very important in mixing and aerating the soil., Question: What do earthworms mix? (A) roots (B) rocks (C) soil (D) nitrogen (E) ocean (F) Carbon (G) Crops (H) well

Ex Output:

C