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: exercise increases a body 's strength, Fact2: Strength is balanced with flexibility and all systems of the body are toned., Question: What helps increase flexibility and muscle tone? (A) movement (B) hydration (C) fitness membership (D) fats (E) hypertrophy (F) arteries (G) exercise (H) Proteins
Output:
G