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: Evolution occurs in response to a change in the environment., Fact2: Evolution Evolution is the changing pattern of life forms., Question: what happens in response to change in environment? (A) Plant growth is reduced (B) the wearing away of rock (C) lifeforms change their pattern (D) antimatter (E) density changes (F) Warm air moving into cold air (G) erosion from rivers (H) gravity changes

Ex Output:
C


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: sexual reproduction increases genetic diversity, Fact2: Evolution requires genetic diversity., Question: What creates evolution? (A) animals with backbones (B) coded genes (C) heterotrophs (D) Sexual reproduction (E) Geology (F) haploid plants (G) Organs (H) Technology

Ex Output:

D