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': 'Type of pontic indicated in the given case : \nSelect and explain. \nA. Modified ridge lap pontic., B. Ovate pontic., C. Sanitary pontic., D. Spheroidal pontic.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]