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': 'The following age group is most severely affected by Rubella infection - \nSelect and explain. \nA. Females aged 25 -- 35 Year, B. Young girls, C. Adolescent girls, D. Unborn child', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Unborn child", 'role': 'assistant'}]