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: heating salt water causes the water to evaporate while the salt remains, Fact2: Salt is produced by the evaporation of sea water., Question: how is salt produced? (A) flow of electrons (B) solid, liquid, gas (C) chemical messengers (D) Solutions (E) Physical weathering (F) It gets heated up (G) near the shoreline (H) heating water

Ex Output:
H

Ex Input:
Fact1: a graduated cylinder is used to measure volume of a liquid, Fact2: Volume is typically measured in liters or milliliters., Question: What could be used to to measure how many milliliters something is? (A) solid, liquid, gas (B) A graduated cylinder (C) objects that have mass (D) an electron microscope (E) The bending of a ray of light (F) deoxyribonucleic acid (G) a hydraulic system (H) microscope

Ex Output:
B

Ex Input:
Fact1: the mass of an object causes the gravitational force exerted by that object, Fact2: An asteroid is a rock-like object with an irregular shape., Question: What causes the gravitational force exerted by an asteroid? (A) a tree falling (B) flow of electrons (C) the shape of the asteroid (D) kinetic energy (E) solid, liquid, gas (F) the mass of the asteroid (G) the sound of the asteroid (H) the color of the asteroid

Ex Output:
F