This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Ophthalmology
A lady came with complaints of a bluish lesion over left side of forehead and left eye. Shows Irregular bluish lesion in Left superior conjunctive and forehead. Diagnosis is 
Select and explain. 
A. Nevus of Ota, B. Nevus of Ito, C. Becker's nevus, D. Mongolian spot
A: Nevus of Ota
Answer: A: Nevus of Ota 
Explanation: .