This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: Ophthalmology
[{'content': 'Most common malignant intraorbital tumor in adult is- \nSelect and explain. \nA. Lymphoma, B. Rhabdomyosarcoma, C. Dermoid cyst, D. Sarcoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: *Most common malignant orbital tumor in adult-> lymphoma.', 'role': 'assistant'}]