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: Evaporation of sweat uses energy, and the energy comes from body heat., Fact2: Animals are inefficient energy converters., Question: How do animals dissipate body heat? (A) sweat (B) eat food (C) lay in the sun (D) insulation (E) coat (F) osmosis (G) fur (H) cooling
A:
A