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: Butter is a fat that is a solid at room temperature., Fact2: Solids are composed of closely packed molecules., Question: What is a fat that is composed of closely packed molecules at room temperature? (A) potassium (B) steak (C) fat (D) keratin (E) butter (F) liquids (G) Mohs (H) Protein
Output:
E