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").

Example 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
Example Output: H

Example Input: Fact1: Loss of ozone has created an ozone hole over Antarctica., Fact2: Antarctica's ozone layer is threatened by depletion., Question: What can loss of ozone lead to? (A) irritants (B) bad weather (C) Car accidents (D) ozone hole (E) rain (F) A hurricane (G) stormy weather (H) destroyed crops
Example Output: D

Example Input: Fact1: melting is when solids are heated above their melting point, Fact2: Solid ice is melted into liquid water., Question: what does ice melt into? (A) gas (B) water (C) a solute (D) air (E) a delta (F) crust (G) liquid (H) lava
Example Output:
G