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: a black hole is formed by a high-mass star collapses, Fact2: Black Holes Black holes are the inevitable conclusion of Einstein's General Theory of Relativity., Question: When do stars fulfill the inevitable conclusion of Einstein's General Theory of Relativity? (A) inactive (B) Winter (C) an object (D) observe it (E) collapse (F) light (G) our star (H) ligt
Example Output: E

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: Copper is a great thermal conductor., Question: What material will become hot if exposed to a heat source? (A) coal (B) asbestos (C) polystyrene (D) Oak (E) Fiberglass (F) Copper (G) bamboo (H) an object
Example Output:
F