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: healing requires rest, Fact2: And, after a full day, relax to a sound and restful sleep in the cool, fresh mountain air., Question: Healing requires what kind of sleep? (A) disturbed (B) frustrated (C) fitful (D) sound (E) good (F) slow (G) Energy. (H) energy
A:
D