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").
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Question: Fact1: Bivalves feed on plankton and nonliving organic matter., Fact2: Mussels are bivalve mollusks., Question: What feeds on plankton and nonliving organic matter? (A) barnacles (B) mollusks (C) animals (D) the Sun (E) sharks (F) graptolites (G) bacteria (H) dogs

Answer: B

Question: Fact1: Viruses cause many human diseases., Fact2: Examples include influenza, rabies, HIV, and Herpes viruses., Question: What causes human disease? (A) HPV (B) UV (C) minerals (D) Tamiflu (E) mold (F) HIV (G) human growth (H) CFCs

Answer: F

Question: Fact1: Annelids have the amazing capacity to regrow segments that break off., Fact2: Earthworm Jim the greatest soil munchin' annelid fansite has been re-located., Question: Earthworms can regrow their segments that break off and eat what? (A) fungi (B) stem (C) soil (D) nektar (E) meat (F) deer (G) dirt (H) birds

Answer:
C