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: smoking tobacco decreases stamina, Fact2: Manual dexterity and physical stamina are vital., Question: What decreases manual dexterity? (A) Dehydration (B) lifting weights (C) hypothyroidism (D) prolonged thirst (E) working out (F) eating healthy (G) smoking tobacco (H) Abnormal cell growth
[EX A]: G

[EX Q]: Fact1: Mammals have a layer of fat under the skin to help insulate the body., Fact2: Dietary fats are the fats found in foods., Question: What do mammals have under their skin that is used to insulate the body? (A) food (B) fur (C) coats (D) bread (E) solid (F) grains (G) mice (H) hair
[EX A]:
A