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: Muscles can only contract., Fact2: Muscle size comes from lifting heavy weights., Question: What comes from lifting heavy weights? (A) sizing (B) Dehydration (C) kinetic energy (D) contracting (E) Energy (F) forces (G) destroying (H) embellishing
Output:
D