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: ENT
[{'content': 'Philthrum is derived from- \nSelect and explain. \nA. Maxillary process, B. Mandibular process, C. Medial nasal process, D. Lateral nasal process', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Medial nasal processFrontonasal process is divided into:-i) Lateral nasal processes:From alae of nose.ii) Medial nasal processes:These merge with each other to form intermaxillary segment which gives rise to : philtrum (middle pa of upper lip),premaxillary plate.', 'role': 'assistant'}]