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: condensing means changing from a gas into a liquid by reducing heat energy, Fact2: Heat energy is measured in calories., Question: Calories measure the energy that leaves a gas to form what? (A) nutrients (B) burning (C) warmth (D) H20 (E) ligt (F) liquid (G) store (H) movement

Ex Output:
F


Ex Input:
Fact1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit, Fact2: Electrons flow continuously in a closed circuit., Question: powering an electrical device with a battery requires a path for electrons to what? (A) hydrogen and oxygen (B) spread out (C) electromagnetic energy (D) cut the line (E) flow continuously (F) an electron microscope (G) flood (H) kinetic energy

Ex Output:
E


Ex Input:
Fact1: Scientists still know relatively little about Archaea., Fact2: Scientist do research every year., Question: Who still knows very little about Archaea? (A) unicellular organisms (B) single celled organisms (C) single cell microorganisms (D) people that do research (E) a french scientist (F) feed on dead protists (G) microscopic organisms (H) people that live in Arcaea

Ex Output:

D