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: information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring, Fact2: DNA, which contains our genetic code, is the basic building block of chromosomes., Question: DNA causes what to inherit genetic traits? (A) offspring (B) some mammals (C) ancestors (D) Nematoda (E) heterotrophs (F) animals (G) minerals (H) grandparents
Example Output: A

Example Input: Fact1: Most mollusks have shells., Fact2: All mollusks have soft bodies., Question: What can shells protect? (A) fronts (B) animals (C) soft bodies (D) coastlines (E) fur (F) blood (G) critical organs (H) hard bodies
Example Output: C

Example Input: Fact1: Fertilization takes place inside the female organism., Fact2: Each eyed egg is a fertile egg., Question: What do female organisms produce? (A) honey (B) electricity (C) apples (D) nectar (E) plants (F) eggs (G) anger (H) adults
Example Output:
F