Detailed Instructions: 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: Hair is a fiber that is found only in mammals., Fact2: Sebaceous glands associated with hair follicles protect the skin of mammals., Question: What protects a mammal's skin? (A) Fiber follicles (B) Exfoliation (C) resistance (D) layers of fat (E) evaporation (F) a cuticle (G) sensory neurons (H) fur and fat
A:
A