This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostats, Subject name: Social & Preventive Medicine
[{'content': 'A Doctor is taking history from a Diabetes patient and decides to make a cha to assess joint involvement/ which cha should \nSelect and explain. \nA. Pie cha, B. Venn diagram, C. Histogram, D. Tree diagram', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A tree diagram is simply a way of representing a sequence of events along with their probabilities In the given question, Branches can indicate different joints involvement in the case of Diabetes: Fuher branches can indicate if test conducted was positive or not It can fuher help in Decision making for treatment joint wise and overall', 'role': 'assistant'}]