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").

Example Input: Fact1: pollutants have a negative impact on the environment, Fact2: Carbon dioxide is a pollutant., Question: What affects the environment negatively? (A) sunlight (B) normal weather patterns (C) carbon dioxide (D) cigarettes (E) positivity (F) Smoking (G) harmful substances (H) fossil fuels
Example Output: C

Example Input: Fact1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight, Fact2: Similarly, stars are referred to as suns, but our star is the Sun., Question: what does a hemisphere need to be tilted away from the receive less sunlight? (A) h2o (B) heat energy (C) equator (D) Energy. (E) clouds (F) our star (G) an object (H) energy
Example Output: F

Example Input: Fact1: if a thermal conductor is exposed to a source of heat then that conductor may become hot, Fact2: Domestic water is heated by a solar-thermal water heater., Question: a thermal conductor can be used to change the what of water (A) kinetic energy (B) evaporation (C) energy (D) temperature (E) Energy. (F) insulation (G) location (H) speed
Example Output:
D