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: 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: darkness has a negative impact on photosynthesis, Fact2: Light is necessary for photosynthesis, a process that produces oxygen., Question: Darkness has a negative impact on which process of a plant? (A) slow and inefficient (B) chemical changes (C) circulatory systems (D) most organisms (E) fossil fuels (F) Abnormal cell growth (G) deoxyribonucleic acid (H) Oxygen production

Ex Output:
H


Ex Input:
Fact1: Biomass is the total mass of organisms at a trophic level., Fact2: Trophic level refers to the organisms position in the food chain., Question: What is a biomass' position in the food chain called? (A) ecosystem (B) more abundant (C) action (D) food swamp (E) Chemical energy (F) Trophic level (G) permineralization (H) It decreases

Ex Output:

F