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").

Example Input: Fact1: cross-pollination increases genetic diversity, Fact2: Evolution requires genetic diversity., Question: What does evolution require? (A) Time and energy (B) Plant reproduction (C) cross-pollination (D) Reproduction (E) gene flow (F) coded genes (G) circulatory systems (H) animals with backbones
Example Output: C

Example Input: Fact1: Birds evolved from a group of bipedal dinosaurs called theropods., Fact2: All hawks are birds., Question: What evolved from a group of bipedal dinosaurs called theropods? (A) alpacas (B) bacteria (C) hawks (D) vision (E) humans (F) animals (G) mammals (H) viruses
Example Output: C

Example Input: Fact1: Chromosomes are coiled structures made of DNA and proteins., Fact2: Sex chromosomes determine gender., Question: The determination of what is coiled structures made of DNA and proteins? (A) PDAs (B) ligt (C) complex (D) gender (E) improve (F) SO2 (G) three (H) alleles
Example Output:
D