This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Child Psychiatry, Subject name: Psychiatry
[{'content': "Coprolalia is an impoant symptom for which of the following disorder ? \nSelect and explain. \nA. Anxiety disorder, B. Avoidant personality disorder, C. Tourette's disorder, D. Stereotypic movement disorder", 'role': 'user'}, {'content': "Answer: C \nExplanation: Diagnosis of Tourette's disorder : History ofmultiple motor tics and at least one vocal tic at some point. Onset < 18 years of age (between 10 -12 years of age ) No tic-free period of > 3 consecutive months in a period of 1 year. Coprolalia occurs in 10% patients of Tourette's syndrome", 'role': 'assistant'}]