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: Wetlands are extremely important biomes., Fact2: Biomes are global ecosystems., Question: Wetlands are extremely important (A) water conservation (B) global ecosystems (C) Desert Ecosystem (D) Terrestrial ecosystems (E) important habitats (F) the environment (G) food and shelter (H) Forest Ecosystems
A:
B