Q: 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: Marine species live mainly in shallow coastal waters., Fact2: Seahorses inhabit shallow coastal waters, especially seagrass beds, coral reefs and mangrove swamps., Question: What kind of species are seahorses? (A) horse (B) seaweed (C) edible (D) marine (E) a fish (F) shellfish (G) strong (H) food
A:
D