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: Annelids have the amazing capacity to regrow segments that break off., Fact2: Annelids have closed circulatory systems., Question: what kind of circulatory system can some segmented animals have? (A) organ (B) insects (C) made (D) warm (E) three (F) complex (G) closed (H) epidermal
[EX A]: G

[EX Q]: Fact1: a generator converts kinetic energy into electrical energy, Fact2: Electricity A kWh is a unit of electricity., Question: What is a unit that produces kWh? (A) energy (B) homogenous (C) engines (D) kinetic energy (E) rays or beams (F) bamboo (G) a generator (H) positive
[EX A]:
G