Given the task definition and input, reply with output. 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").

Fact1: using renewable resources to generate power reduces greenhouse gases, Fact2: Renewable resources include water, timber, wind., Question: what can you use to generate power to reduce greenhouse gases? (A) bamboo (B) coal (C) fibers (D) watts (E) energy (F) fossil fuels (G) trees (H) wind
H