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: Viruses are not cells., Fact2: Viruses Viruses are the smallest agents of disease., Question: Cells do not include (A) harmful substances (B) sulfate particles (C) the smallest agent of disease (D) direct damage to the lungs (E) sub-units of species (F) Inches or fractions of inches. (G) Something with a head, thorax, and abdomen (H) Direct sunlight.
Solution:
C