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").
Q: Fact1: an incandescent light bulb converts electricity into light by sending electricity through a filament, Fact2: Incandescent bulbs produce more heat than light., Question: What do incandescent bulbs produce as they create electricity? (A) energy (B) heat (C) fuel (D) smoke (E) gas (F) fields (G) copper (H) waves
A:
B