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: an earthquake causes the ground to shake, Fact2: Seismic waves are produced by earthquakes., Question: Seismic waves cause what to shake? (A) earth (B) body water (C) wind (D) tremors (E) sunlight (F) the ground (G) Sediment (H) rocks

Ex Output:
F

Ex Input:
Fact1: DNA is found in chromosomes., Fact2: Chromosome Chromosome A chromosome is a grouping of coiled strands of DNA , containing many genes., Question: What comes in coiled strands? (A) hair (B) RNA (C) ovum (D) dogs (E) gene (F) poop (G) ice (H) DNA

Ex Output:
H

Ex Input:
Fact1: a rainbow is formed by refraction of light by separating light into all different colors, Fact2: Light rays come in through the lens., Question: A rainbow is formed by what of rays? (A) an electron microscope (B) energy of moving objects (C) heat energy (D) Solar energy (E) rain or sun shine (F) separation of colors (G) sun's heat (H) flow of electrons

Ex Output:
F