Definition: 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: Chemical digestion occurs mainly in the small intestine., Fact2: Enzymes are chemicals involved in digestion., Question: Where are enzymes located? (A) in the small intestine (B) occurs over a wide range (C) Microscopic vessels. (D) tissue made of chondrocytes (E) chondrocytes (F) holding nutrients (G) snow, ice, and rock (H) To survive in their environment
Output:
A