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 Q]: Fact1: an incandescent light bulb converts electricity into light by sending electricity through a filament, Fact2: Electrical energy is also energy., Question: What part of a light bulb has energy run through it, converting energy into light? (A) adding heat (B) sun's heat (C) cotton (D) heat energy (E) glass (F) light (G) filaments (H) broken light bulbs
[EX A]: G

[EX Q]: 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
[EX A]: E

[EX Q]: Fact1: Plants use unsaturated fatty acids to store energy., Fact2: All plants are of bush type., Question: what uses unsaturated fatty acids to store energy? (A) bushes (B) Cane. (C) A rodent (D) Oak (E) fens (F) alpacas (G) Conifers (H) humans
[EX A]:
A