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: Pediatrics
[{'content': 'Porencephaly is due to - \nSelect and explain. \nA. Dandly walker syndrome, B. Cerebral infarction, C. Fetal alcohol syndrome, D. All', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Cerebral infarction", 'role': 'assistant'}]