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: Migrants typically travel long distances., Fact2: Migrant birds arrive., Question: What travels long distances? (A) humans (B) jets (C) rocks (D) birds (E) camels (F) cocoons (G) Light (H) eggs

Ex Output:
D


Ex Input:
Fact1: if a plant requires less water then that plant will survive in a drought, Fact2: Plants are heat and drought tolerant., Question: Plants that are heat tolerant and require less water are able what?  (A) uproot its soil (B) produce flowers (C) migrate (D) growth (E) survive (F) rest (G) spread its seeds (H) reproduce

Ex Output:
E


Ex Input:
Fact1: Temperature falls from the equator to the poles., Fact2: All temperatures are in Fahrenheit., Question: what falls from the equator to the poles? (A) heat energy (B) kinetic energy (C) refraction (D) water vapor (E) Energy (F) h2o (G) density (H) Fahrenheit

Ex Output:

H