This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gram-Positive Infections - Corynebacterial Infections, Subject name: Forensic Medicine
[{'content': 'Brown colour of contusion is due to: \nSelect and explain. \nA. Biliverdin, B. Reduced hemoglobin, C. Haemosiderin, D. Bilirubin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (C). Haemosiderin(Ref: Review of Forensic Medicine & toxicology; Gautum Biswas; 2nd edition; Pg- 193)ColourPigmentTime DurationRedOxy haemoglobinFreshBlueQDeoxyhaemoglobinQFew hours - 3 daysBrownQHemosiderinQ4 -5 daysGreenBiliverdin/ hematoidin6 -7 daysYellowBilirubin7-14 days', 'role': 'assistant'}]