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").

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
E

Fact1: Gymnosperms are vascular plants that produce seeds in cones., Fact2: Plants reproduce by seeds and rhizomes., Question: What do gymnosperms use to reproduce? (A) roots (B) cones (C) ovaries (D) family (E) CO 2 (F) instinct (G) embryos (H) Mitosis
B

Fact1: Roundworms make up the phylum Nematoda., Fact2: Also, nematoda and rotifera are important groups contributing to soils., Question: _ contribute to soils. (A) Sediment (B) Aphids (C) cacti (D) Roundworms (E) Exfoliation (F) Amphibians (G) Ringworms (H) rainfall

D