Definition: 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").
Input: Fact1: Fungi are the only organisms that can decompose wood., Fact2: Wood comes from trees., Question: Fungi are the only organisms that can decompose dead what? (A) fossils (B) legumes (C) trees (D) matter (E) amoeba (F) coal (G) elms (H) bamboo
Output:
C