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: 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: crumple means change shape from smooth into compacted by physical force, Fact2: Crumple the foil then carefully reopen it., Question: What is used to scrunch up foil? (A) tin (B) awl (C) parchment paper (D) an external framework (E) Physical force (F) energy barrier (G) hard outer covering (H) Evaporation

Ex Output:
E


Ex Input:
Fact1: Plants that are adapted to very dry environments are called xerophytes., Fact2: Succulents, bromeliads and cacti are xerophytes., Question: What type of environment is a bromeliad adapted to? (A) Exfoliation (B) cold (C) seasons (D) heat (E) deserts (F) heat or cold (G) Very dry (H) survival

Ex Output:

G