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: disease-causing microbes have a negative impact on the body, Fact2: Each human body is unique., Question: Disease causing microbes have what type of impact on humans? (A) toxins (B) neutral (C) negative (D) Roundworms (E) Annelids (F) positive (G) heterotrophs (H) beneficial
Solution:
C