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': 'False about Localised Aggressive Periodontitis is. \nSelect and explain. \nA. Affects Incisors and 1st molars., B. Shows strong antibody response., C. Main causative organism is P. Gingivalis., D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]