Q: 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: preventing the transfer of heat from an organims 's body causes that organism to keep warm, Fact2: Leaves can keep animals warm., Question: How do leaves keep animals from getting cold? (A) can be worn as clothes (B) protect them (C) adapt to coolness (D) heat with the sun (E) used to start fires (F) hard outer covering (G) preventing heat transfer (H) A transportation fuel
A:
G