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: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Though most trout are freshwater fish, some live in marine waters., Question: What do some mollusks live near? (A) gills (B) rivers (C) desert (D) roads (E) fungi (F) trout (G) clouds (H) water

A: F
****
Q: Fact1: poisonous darts are used for defense by sea anemones, Fact2: Sea anemones are related to jellyfish and coral., Question: what are used for defense by an organism related to jellyfish and coral (A) poisonous darts (B) Chemicals (C) specialized (D) by parasitizing them (E) chondrocytes (F) flagella (G) Microscopic vessels. (H) a sponge

A: A
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Q: Fact1: Most invertebrates have a more complex nervous system., Fact2: All complex living creatures, are organized by a nervous system ., Question: Most invertebrates are what? (A) microorganisms (B) extinct creatures (C) remains of prehistoric life (D) more abundant (E) dying species (F) complex living creatures (G) members of their own species (H) ruined creatures

A:
F
****