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: Reproduction is the process by which living things give rise to offspring., Fact2: Sex equals reproduction., Question: What is the process by which living things give rise to offspring? (A) DNA (B) photosynthesis (C) bird (D) sex (E) subtraction (F) gametes (G) eggs (H) ovum
Output:
D