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: Marine species live mainly in shallow coastal waters., Fact2: Water in the channel is calm and shallow., Question: what water is calmer? (A) rivers (B) good (C) hydration (D) currents (E) white (F) swea (G) NaCl (H) coastal
A:
H