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: if gas is heated then that gas will expand, Fact2: If more space between 2 galaxies more space to expand so it moves away faster., Question: When gas is heated, it takes up more: (A) solutes (B) plasma (C) fluidity (D) energy (E) space (F) viscosity (G) matter (H) Energy.

Ex Output:
E

Ex Input:
Fact1: unequal heating of Earth 's surface by the Sun causes global wind patterns, Fact2: Wind belts in the Atlantic Ocean include the trade winds and the prevailing westerlies ., Question: What causes the westerlies? (A) flow of electrons (B) Ocean currents (C) Precipitation (D) to move people (E) Drought (F) scattered light (G) Uneven heating by the sun (H) exposure to cold

Ex Output:
G

Ex Input:
Fact1: if an object reflects light toward the eye then that object can be seen, Fact2: Without light there is nothing to connect the eye to the object., Question: Without what, no object can be seen? (A) matter (B) flowers (C) Energy. (D) air (E) energy (F) shade (G) lenses (H) light

Ex Output:
H