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': 'In an ideal occlusion buccal cusps of maxillary teeth, occlude with: \nSelect and explain. \nA. Fossa and ridges, B. Grooves and embrasures, C. Lingual cusps of mandibular teeth, D. Occlusal pits and fissures of mandibular teeth', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]