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: Pathology
[{'content': 'Which of the following is untrue about malignant melanoma? \nSelect and explain. \nA. Occurs with equal frequency in both sexes, B. Rare in children, C. Palate is the most common intraoral site, D. Is very painful', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]