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: Surgery
Cleft lip is due to non-union of 
Select and explain. 
A. Maxillary process with MNP, B. MNP - LNP, C. MNP - MNP, D. All of the above
A: Maxillary process with MNP
Answer: A: Maxillary process with MNP 
Explanation: None