This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Scabies, Pediculosis, Subject name: Dental
[{'content': 'Maculae ceruleae are caused by \nSelect and explain. \nA. Pubic lice, B. Head lice, C. Body lice, D. Mites', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pediculosis Pubis (Pubic Lice) * Phthirus pubis, crab louse; wider shoer body than the body louse, resembling miniature crabs * Presents with itching of pubic area, may be erythema around hair follicles, excoriations, secondary bacterial infection, +- maculae caerulea: slate gray to blue macules. Ref:- Sima Jain; pg num:- 244', 'role': 'assistant'}]