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: unequal heating of Earth 's surface by the Sun causes global wind patterns, Fact2: Unequal absorption of radiation causes unequal heating of the earth's surface., Question: heating causes the wind patterns on earth to be what? (A) evenly distributed (B) waves (C) equal (D) constant (E) threatened (F) supersonic (G) unequal (H) Tropical

Ex Output:
G


Ex Input:
Fact1: nuclear reactions in stars causes stars to produce light, Fact2: And, of course, the Sun is a star., Question: What in the sun causes the sun to produce light? (A) energy of moving objects (B) hydrogen and oxygen (C) heat energy (D) water (E) solar rays (F) rotation (G) nuclear reactions (H) kinetic energy

Ex Output:
G


Ex Input:
Fact1: information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring, Fact2: Intelligence is primarily a genetically inherited trait., Question: Intelligence primarily comes from what being pass down? (A) surname (B) Proteins (C) books (D) education (E) animals (F) Chromosomes (G) gene flow (H) satellites

Ex Output:

F