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: decomposition increases amount of organic matter in soil, Fact2: Fungi are involved in decomposition, as well., Question: What can help increase the amount of organic matter in soil? (A) Fungi (B) mussels (C) pine (D) worms (E) animals (F) Enzymes (G) solutes (H) trees

Ex Output:
A

Ex Input:
Fact1: a speedometer is used for giving a driver feedback on the speed of their vehicle, Fact2: Odometers and speedometers measure distance and speed., Question: what does an odometer measure? (A) time (B) distance (C) visibility (D) backbones (E) male gametes (F) antigens (G) speed (H) calibrated

Ex Output:
B