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': 'Study of death in all its aspects is known as - \nSelect and explain. \nA. Trichology, B. Ornithology, C. Odontology, D. Thanatology', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Thanatology is the branch of science which deals with study of death.', 'role': 'assistant'}]