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: refracting sunlight causes sunlight to split into different colors, Fact2: Light passing through a prism is refracted or divided into the colors of the spectrum., Question: Sunlight passing though a prism is split into (A) coronal discharge (B) heat energy (C) energy (D) small bits of matter (E) Energy. (F) neutrinoes (G) a spectrum (H) white

Ex Output:
G


Ex Input:
Fact1: a fire requires oxygen to burn, Fact2: In the vacuum of space, there's no oxygen to burn., Question: Where is fire impossible? (A) evaporation (B) In space (C) A computer (D) uncontrolled (E) Inside a car (F) On television (G) summer end (H) On a mountain

Ex Output:
B


Ex Input:
Fact1: a wildfire changes an ecosystem drastically, Fact2: Wildfires scorch the West., Question: The West experiences drastic changes to its what (A) interior (B) backbones (C) homeostasis (D) tissue (E) moving plates (F) communication (G) ecosystem (H) Phylogeny

Ex Output:

G