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: Biomass is the total mass of organisms at a trophic level., Fact2: Producers make up the first trophic level, primary consumers the second, and so on., Question: What is the total mass of primary consumers (A) Plants (B) animals (C) food (D) Mountains (E) Biomass (F) decreases (G) all matter (H) Weight

Ex Output:
E


Ex Input:
Fact1: high pressure systems cause clear weather, Fact2: High pressure systems tend to bring calm weather., Question: What do high pressure systems make? (A) heat energy (B) energy (C) electricity (D) calm days (E) fossil fuels (F) Solutions (G) Pollution (H) Metling snow

Ex Output:
D


Ex Input:
Fact1: Bone provides protection for soft tissues and internal organs., Fact2: Internal organs that can be affected include kidneys, lungs, heart and brain., Question: what does bone provide protection for? (A) health (B) lungs (C) forces (D) humans (E) animals (F) Balance (G) Man (H) disease

Ex Output:

B