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").

Example Input: Fact1: erosion of soil has a negative impact on the environment, Fact2: Weathering and erosion continue to shape it today., Question: What has a negative impact on the environment? (A) harmful substances (B) weathering of soil (C) saving water (D) planting trees (E) deforestation (F) massive damage (G) recycling (H) enormous damage to homes
Example Output: B

Example Input: Fact1: Cells are the basic units of the structure and function of living things., Fact2: All cells use glucose for energy., Question: What do all living things use for energy? (A) fish (B) kids (C) energy (D) glucose (E) The Sun (F) procreation (G) sunlight (H) food
Example Output: D

Example Input: Fact1: Viruses are usually considered to be nonliving., Fact2: Influenza Virus Inluenza virus are negative-strand RNA viruses with a segmented genome., Question: What is considered to be nonliving? (A) illness (B) Staphylococcus (C) cigarettes (D) Influenza (E) Leptospirosis (F) bacteria (G) E. coli (H) Streptococcus
Example Output:
D