This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'Chromosome-associated with bipolar disease - \nSelect and explain. \nA. Chromosome 16, B. Chromosome 13, C. Chromosome 18, D. Chromosome 11', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Chromosomes involved in bipolar disorder are chromosome 18, 21, and 22.', 'role': 'assistant'}]