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: shelter is used for protection by animals against weather, Fact2: Many animals use sponges for shelter., Question: What can animals use for protection? (A) hair (B) bushes (C) keratin (D) food (E) shells (F) appendages (G) energy (H) sponges

Ex Output:
H


Ex Input:
Fact1: mechanical weathering is when rocks are broken down by mechanical means, Fact2: Water is a mechanical weathering force., Question: What  weathers rocks? (A) soil (B) streams (C) a delta (D) calcite (E) erosion (F) water (G) grass (H) the sun

Ex Output:
F


Ex Input:
Fact1: operating an automobile usually requires fossil fuels, Fact2: Automobiles and the burning of fossil fuels generate gases such as sulphur dioxide., Question: What does an automobile create when it burns fuel? (A) Acids (B) tar (C) Energy. (D) heat (E) Gases (F) gas (G) sweat (H) energy

Ex Output:

E