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: thick fur can be used for keeping warm, Fact2: Most mammals have hair, or fur, covering their body., Question: Most mammals have a body what for keeping warm? (A) four limbs (B) exoskeleton (C) warm (D) scales (E) sweating (F) covering (G) bareness (H) opening
A:
F