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: moss causes chemical weathering, Fact2: Mosses Mosses are flowerless plants that grow in clumps., Question: What can cause chemical weathering? (A) Calcium carbonate (B) our nearest star (C) global warming (D) sea squirts (E) swamp vegetation (F) single-celled organisms (G) flowerless plants (H) Earthworms

Ex Output:
G


Ex Input:
Fact1: volcanic ash in the atmosphere decreases the temperature by blocking the sun, Fact2: Supersaturation is inferred to be a common state for atmospheric haze particles., Question: What decreases the temperature by blocking the Sun? (A) cilia (B) the Sun (C) the wind (D) haze (E) ice (F) fat (G) rain (H) acids

Ex Output:
D


Ex Input:
Fact1: if an animal lives under ground then that animal will be protected from a wild fire, Fact2: Moles can be found in tunnels under the ground., Question: Moles will be protected from what? (A) a wildfire (B) colder weather (C) bacteria (D) dirt (E) sun's heat (F) cold air (G) mudslides (H) flooding

Ex Output:

A