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: An increase in temperature causes a gas to expand., Question: what affects a gas? (A) electricity (B) kinetic energy (C) temperature (D) Evaporation (E) salinity (F) Pollution (G) wind (H) magnetism

Ex Output:
C

Ex Input:
Fact1: matter vibrating can cause sound, Fact2: All matter emits vibrations., Question: What kind of matter can produce sound? (A) sensory neurons (B) all matter (C) an object (D) only liquids (E) mechanical (F) only plasma (G) only solids (H) waves

Ex Output:
B

Ex Input:
Fact1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight, Fact2: Plants use the direct light energy from the sun to grow., Question: What change is likely in a hemisphere when it is pointed away from the sun? (A) more sunlight per day (B) movement of tectonic plates (C) exposure to cold (D) Plant growth is reduced (E) the moon appears bigger (F) Movement of an air mass (G) solar eclipse (H) global warming

Ex Output:
D