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: Plants use cellulose for their cell walls., Fact2: Basically, fiber is cellulose ., Question: What is made from cell walls? (A) water (B) blood (C) cells (D) sugar (E) a path (F) fiber (G) moss (H) Carbon

Ex Output:
F


Ex Input:
Fact1: All chemical reactions require activation energy to get started., Fact2: Fire is a chemical reaction., Question: What does fire require to get started? (A) an engine (B) activation energy (C) water (D) energy usage (E) direct energy (F) dogs (G) activated almonds (H) adding heat

Ex Output:
B


Ex Input:
Fact1: when metal conducts heat , that metal expands, Fact2: Copper is a very ductile metal., Question: When copper conducts heat it what? (A) movement (B) ligt (C) expands (D) moves (E) A computer (F) power (G) Energy. (H) energy

Ex Output:

C