Detailed Instructions: 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").
Problem:Fact1: Communities consist of populations of different species., Fact2: Herons are an indicator species for wetland communities., Question: Different species such as what take up in the wetlands? (A) ferns (B) the moon (C) herons (D) bushes (E) wetlands (F) polar bears (G) plants (H) animals
Solution:
C