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': 'A patient was treated with Amytryptilline for depression, developed urinary retention, constipation & blurring of vision. Most likely cause is \nSelect and explain. \nA. Symptoms of depression persisting, B. Anti cholinergic side effects, C. Depression medicamentosa, D. Any of above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Anticholinergic side effects', 'role': 'assistant'}]