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': 'Congenital Anomaly produced by lithium therapy is \nSelect and explain. \nA. Limb shoening, B. Anencephaly, C. Hea Block, D. Renal Agenesis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Hea block', 'role': 'assistant'}]