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: a rainbow is formed by refraction of light by separating light into all different colors, Fact2: Introduction A rainbow is often given as an everyday example of a spectrum., Question: A spectrum is formed by refraction of light by separating light into all different what? (A) categories (B) dyes (C) photons (D) pigments (E) light (F) colors (G) Energy. (H) energy

Ex Output:
F


Ex Input:
Fact1: Biomass is the total mass of organisms at a trophic level., Fact2: Each stage is a trophic level., Question: The total mass of organisms in an environmental stage is called what? (A) food pyramid (B) extinction (C) ecological pyramid (D) food chain (E) vegetation (F) food (G) ligt (H) biomass

Ex Output:
H


Ex Input:
Fact1: Birth may be followed by a period of parental care of the offspring., Fact2: Among monogamous species of birds and mammals, both parents often care for their offspring., Question: what type of species handles the period of parental care by both parents (A) Synchronous (B) several genes (C) Seconds and minutes (D) jellyfish (E) prokaryotic cells (F) fetal development (G) Monogamous species (H) eukaryotic cells

Ex Output:

G