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: electricity sometimes is used for heating buildings, Fact2: Heating is by electric convector radiators., Question: What are radiators used for? (A) Water (B) warmth (C) homes (D) energy (E) Lift (F) Cooking (G) Air conditioning (H) Heat
A:
H