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: Chemical bonds form when substances react with one another., Fact2: Paper is formed by the chemical bonding of fibers., Question: what is formed by substances reacting with one another? (A) energy. (B) glass (C) gas (D) sugar (E) paper (F) oil (G) Acids (H) matter
A:
E