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': 'Enlargement of lip occured with in seconds to 24 hours is \nSelect and explain. \nA. Angioedema, B. Mucocoele, C. Herpes, D. Fibroma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]