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: Bone provides protection for soft tissues and internal organs., Fact2: Bone matrix consists of collagen and minerals., Question: What provides protection for soft tissues and internal organs? (A) Blankets (B) barnacles (C) Epidermis (D) mammals (E) Collegen (F) Animal fur (G) a cuticle (H) fur and fat
[EX A]: E

[EX Q]: Fact1: breaking apart rocks can cause debris, Fact2: Examples of such rock include sandstone and shale ., Question: What can cause debris? (A) breaking apart sandstone (B) some invertebrates (C) breaking apart air (D) remains of prehistoric life (E) exposure to cold (F) breaking apart clouds (G) breaking apart water (H) forest is destroyed
[EX A]: A

[EX Q]: Fact1: using renewable resources to generate power reduces greenhouse gases, Fact2: Solar energy is a renewable resource ., Question: What can be used to reduce greenhouse gases while generating power? (A) bamboo (B) Carbon dioxide (C) Electrical energy (D) The ozone layer (E) peachleaf willow (F) Solar energy (G) Fossil fuels (H) Fuel cells
[EX A]:
F