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: Mutations that lead to cancer usually occur in genes that control the cell cycle., Fact2: Cancer is an example of a mutation in cells., Question: What usually occur in genes that control the cell cycle? (A) Leptospirosis (B) competition (C) A Greek letter (D) a mutation in cells (E) Plant reproduction (F) biological diversity (G) resistance (H) resistance activities

Ex Output:
D

Ex Input:
Fact1: if all members of a species cannot produce offspring then that species will likely become extinct, Fact2: Avian species are less likely to become extinct if they are common across large ranges., Question: Avian species are less likely to end up extinct if they what? (A) single-celled organisms (B) important habitats (C) abandon habitats (D) stop reproducing (E) animals with backbones (F) produce offspring (G) population movement (H) destroy offspring

Ex Output:
F

Ex Input:
Fact1: an animal requires nutrients to grow and heal, Fact2: Potassium is an essential nutrient for plants and animals., Question: What does potassium help an animal do? (A) Grow (B) lysing (C) Sleep (D) health (E) Eat (F) rest (G) growth (H) Die

Ex Output:
A