Three Students Alex, Beatrice and Claudia suffered nausea. You are asked to investigate the cause of the sickness in the three students. You investigate where all three recently are a meal and discover all three are at Yummy Cafe. Then you inquire what they ate. They all had chili. What do you conclude might be the cause of the nausea? What tool of legal reasoning did you use to reach this conclusion? Is it possible that there is a cause other than the one you have identified?