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: Dental
[{'content': 'Parietal abscess is also known as \nSelect and explain. \nA. Gingival abscess, B. Periodontal abscess, C. Periapical abscess, D. Periodontal cyst', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]