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: Producers make food from inorganic molecules., Fact2: Autotrophs absorb sunlight energy and transfer inorganic mineral nutrients into organic molecules., Question: What do producers turn sunlight into? (A) energy (B) apples (C) heat (D) paper (E) drinks (F) waste (G) inorganic goods (H) food

Ex Output:
H

Ex Input:
Fact1: coal is used for generating heat by burning, Fact2: Gasoline is extremely flammable and can explode and burn if ignited., Question: coal is used for generating heat and can what? (A) melt (B) explode (C) run (D) kill (E) heat (F) energy (G) stay warm (H) freeze

Ex Output:
B

Ex Input:
Fact1: shelter is used for protection by animals against weather, Fact2: Many snakes seek shelter from the winter weather by holding up in dens., Question: Why does a snake look for shelter in the winter? (A) Protection (B) Food (C) adding heat (D) Water (E) When it's cold (F) Darkness (G) energy barrier (H) hydration

Ex Output:
A