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 seismograph is used for measuring the size of an earthquake, Fact2: Magnitude a measure of earthquake size., Question: Seismographs measure what aspect of earthquakes? (A) Major effects (B) magnitude (C) Otoacoustic (D) power (E) classified (F) specialized (G) lifespan (H) their speed

Ex Output:
B

Ex Input:
Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Fluorescent light bulbs use half the electricity of standard bulbs., Question: What do flourescent bulbs do? (A) Change colors (B) reproduce (C) staying warm (D) dormant state (E) direct energy (F) spread flower seeds (G) use less energy (H) duplicate itself

Ex Output:
G

Ex Input:
Fact1: a generator converts kinetic energy into electrical energy, Fact2: Electricity is a powerful energy source., Question: Generators convert what into a powerful energy source? (A) circulatory systems (B) kinetic energy (C) engines (D) Organic compounds (E) organic molecules (F) rays or beams (G) a hydraulic system (H) photons

Ex Output:
B