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: fat is used to keep animals warm, Fact2: Humans are a new type of animal., Question: what uses fat to keep warm? (A) Lobsters (B) bacon (C) humans (D) pigeons (E) insects (F) omnivores (G) plants (H) bears
[A]: C


[Q]: Fact1: Hormones are chemical messengers that control many body functions., Fact2: Growth hormone is in many ways an anti-aging hormone., Question: What controls anti-aging? (A) A computer (B) air (C) chemical messengers (D) ice (E) an electric stove (F) Electrical energy (G) water (H) Chemical energy
[A]: C


[Q]: Fact1: the gravitational pull of the Moon on Earth 's oceans causes the tides, Fact2: Tides create current., Question: If the moon was not present, what would happen to ocean currents? (A) erosion (B) Movement (C) decrease (D) summer end (E) imbalanced (F) flooding (G) watershred (H) rivers
[A]:
C