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': 'Blue colour of the bruise is due to \nSelect and explain. \nA. Hemosiderin, B. Deoxyhemoglobin, C. Bilirubin, D. Hematoidin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Deoxyhemoglobin', 'role': 'assistant'}]