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").
Input: Fact1: Cells are organized into tissues, and tissues form organs., Fact2: Skin is a protective organ., Question: Cells form tissues, which form? (A) water (B) muscle (C) plants (D) gametes (E) bushes (F) retina (G) air (H) skin
Output:
H