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: Gymnosperms are vascular plants that produce seeds in cones., Fact2: Plants reproduce by seeds and rhizomes., Question: What do gymnosperms use to reproduce? (A) roots (B) cones (C) ovaries (D) family (E) CO 2 (F) instinct (G) embryos (H) Mitosis
Example Output: B

Example Input: Fact1: Fertilization occurs when sperm swim to an egg inside an archegonium., Fact2: Water is needed to transport flagellated sperm to archegonium., Question: what requires water? (A) Power plants (B) peachleaf willow (C) animal transport (D) engines (E) Most plants (F) mouth of rivers (G) an organism's body (H) fertilization
Example Output:
H