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': 'Ovoid areas if destruction parallel to dentinal tubules, which are formed by focal coalescence and breakdown of a few dentinal tubules are called as: \nSelect and explain. \nA. Eburnated dentin., B. Liquefaction foci., C. Affected dentin., D. Infected dentin.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]