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 color of contusion is due to: Gujarat 07 \nSelect and explain. \nA. Bilirubin, B. Hemosiderin, C. Hematoidin, D. Deoxyhemoglobin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Deoxyhemoglobin', 'role': 'assistant'}]