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: Plants live just about everywhere on Earth., Fact2: Snakes live almost everywhere on earth., Question: Plants and snakes live _. (A) almost everywhere (B) important habitats (C) hydrate their cells (D) reproduce (E) more abundant (F) competing for resources (G) the environment (H) vegetation
[A]: A

[Q]: Fact1: when a metal rusts , that metal becomes orange on the surface, Fact2: Iron rusts in the presence of oxygen and water., Question: Exposure to oxygen and water can cause iron to (A) decrease strength (B) melt (C) uncontrollable burning (D) thermal expansion (E) turn orange on the surface (F) vibrate (G) Extremes of temperature (H) levitate
[A]: E

[Q]: Fact1: the color of leaves on deciduous trees usually changes in the autumn season, Fact2: Common deciduous trees are the oak, elm and beech., Question: Which tree's leaves change color in autumn (A) Fir (B) wind (C) Palm (D) blue (E) elms (F) Oak (G) Ficus (H) Aves
[A]:
F