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: Cancer is a disease in which cells divide out of control., Fact2: Chemotherapy works on cells that are dividing., Question: What helps stop cells multiplying in cancer? (A) the skin (B) Honey (C) sweating (D) Chemotherapy (E) H2O (F) Chemical energy (G) Titanium (H) bioaerosols

Ex Output:
D


Ex Input:
Fact1: smell is used for finding food by some animals, Fact2: Olfaction is the sense of smell., Question: What do some animals use to find food? (A) Echinoids (B) breakfast (C) time travel (D) Energy (E) streams. (F) heat energy (G) nature (H) olfaction

Ex Output:
H


Ex Input:
Fact1: coal is used to produce electricity by burning in coal-fire power stations, Fact2: Electricity is a form of energy., Question: What does burning coal in coal-fired power plants produce? (A) Decibels (B) Fireplaces. (C) engines (D) organisms (E) Aloe plants. (F) Banana plants. (G) Energy. (H) warmth

Ex Output:

G