Teacher: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").
Teacher: Now, understand the problem? Solve this instance: Fact1: disease-causing microbes have a negative impact on the body, Fact2: Microbes are also called microorganisms., Question: What has a negative impact on the body? (A) disease-causing microorganisms (B) air (C) water (D) wind and erosion (E) food (F) smallest agents of disease (G) exposure to cold (H) influenza orthomyxoviruses
Student:
A