Detailed Instructions: 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").
Problem:Fact1: Mollusks are a major food source for other organisms, including humans., Fact2: An abalone is a shellfish or mollusk., Question: what is a major food source for humans? (A) honeybees (B) poison (C) abalones (D) carbon monoxide (E) rabbit (F) trees (G) insects (H) stomach
Solution:
C