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': 'Epithelial rests of Malassez are found in \nSelect and explain. \nA. Pulp, B. Gingiva, C. Periodontal Ligament, D. Alveolar mucosa', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]