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").

[EX Q]: Fact1: plant requires seed dispersal for reproduction, Fact2: Reproductive investment was measured as seed mass, samara size, and dispersal ability., Question: What requires investment, seed mass, size and dispersal? (A) plants (B) Species (C) animals (D) coral (E) Oak (F) gene flow (G) Frogs (H) mussels
[EX A]: A

[EX Q]: Fact1: preventing the transfer of heat from an organims 's body causes that organism to keep warm, Fact2: Body heat is trapped in the haircoat., Question: The haircoat of a dog is useful for (A) recovery time from fatigue (B) When it's cold (C) protect them (D) finding bones (E) preventing dog days (F) keeping the dog warm (G) keeping the dog cool (H) water conservation
[EX A]: F

[EX Q]: Fact1: nerves can be used to feel heat and pressure on the skin, Fact2: How peripheral nerves work Peripheral nerves are made of bundles of nerve fibres, which can be regarded as living telephone wires., Question: What can be used to feel heat and pressure on the skin? (A) 2 substances rubbing together (B) Something that comes in a bundle of fibers (C) several different ways (D) surfaces rubbing together (E) series of enzyme-mediated reactions (F) flow of electric charge (G) depress neuronal excitability (H) Material carrying electricity
[EX A]:
B