Teacher: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").
Teacher: Now, understand the problem? Solve this instance: Fact1: hydropower requires damming a river, Fact2: Scientists agree that dams devastate rivers., Question: Hydropower can devastate a what? (A) salmon (B) rocks (C) air (D) plants (E) soils (F) homes (G) river (H) habitat
Student:
G