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: preventing the transfer of heat from an organims 's body causes that organism to keep warm, Fact2: Body heat is trapped in the haircoat., Question: The haircoat of a dog is useful for (A) recovery time from fatigue (B) When it's cold (C) protect them (D) finding bones (E) preventing dog days (F) keeping the dog warm (G) keeping the dog cool (H) water conservation
Example Output: F

Example Input: Fact1: Annelids have the amazing capacity to regrow segments that break off., Fact2: Earthworms Earthworms are in the phylum Annelids., Question: _ have the amazing capacity to regrow segments. (A) ferns (B) arachnids (C) roots (D) earthworms (E) anthropods (F) crustacean (G) loose soil (H) root growth
Example Output: D

Example Input: Fact1: Female gametophytes produce eggs inside the ovaries of flowers., Fact2: Daisy flowers grow in variety of species, colors, sizes., Question: what has female gametophytes that produce eggs inside the ovaries? (A) bushes (B) cacti (C) daisies (D) plants (E) orchids (F) potatoes (G) seeds (H) ferns
Example Output:
C