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: Chromosomes are coiled structures made of DNA and proteins., Fact2: An egg or sperm with an extra chromosome or missing a chromosome is then made., Question: What are one thing the combination of proteins and DNA make up? (A) alleles (B) sperm (C) insects (D) embryos (E) fusion (F) PDAs (G) humans (H) complex
Output:
B