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: Social & Preventive Medicine
[{'content': 'Vaccines that can be safely given during pregnancy are the following except - \nSelect and explain. \nA. Tetanus, B. Influenza, C. Rubella, D. Pneumococcus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]