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: smell is used for finding food by some animals, Fact2: Olfaction is the sense of smell., Question: What do some animals use to find food? (A) Echinoids (B) breakfast (C) time travel (D) Energy (E) streams. (F) heat energy (G) nature (H) olfaction
[A]: H

[Q]: Fact1: unequal heating of Earth 's surface by the Sun causes global wind patterns, Fact2: Wind belts in the Atlantic Ocean include the trade winds and the prevailing westerlies ., Question: What causes the westerlies? (A) flow of electrons (B) Ocean currents (C) Precipitation (D) to move people (E) Drought (F) scattered light (G) Uneven heating by the sun (H) exposure to cold
[A]: G

[Q]: Fact1: Amphibians have a relatively complex circulatory system with a three-chambered heart., Fact2: Blood is pumped around the body by a heart ., Question: What do amphibians pump around the body in a complex manner? (A) SO2 (B) food (C) Energy. (D) oxygen (E) Energy (F) thoughts (G) blood (H) water
[A]:
G