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: Dental
[{'content': 'Five cusps are present in: \nSelect and explain. \nA. Maxillary first molar only, B. Mandibular first molar only, C. Maxillary and mandibular first molar, D. Maxillary and Mandibular second molar', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]