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: Forensic Medicine
[{'content': 'Caput succedaneum in a newborn is: Karnataka 07 \nSelect and explain. \nA. Collection of blood under the pericranium, B. Collection of sero-sanguineous fluid in the scalp, C. Edema of the scalp due to grip of the forceps, D. Varicose veins in the scalp', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Collection of sero-sanguineous fluid in the scalp', 'role': 'assistant'}]