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': 'Billu Yadav, a prisoner is brought to you for physical examination. You note a bruise which is greenish in colour. What is the approximate age of the bruise? \nSelect and explain. \nA. 2 hours, B. 2 - 3 days, C. 5 - 6 days, D. 7 - 12 days', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Age of bruise in relation to colour is given below: Red - immediately after the injury Blue - few hours to 3 days Bluish black or brown - 4th day Greenish - 5 -6 days Yellow - 7 - 12 days Ref: Essentials of Forensic Medicine and Toxicology by Narayan Reddy, 21st Edition, Page 154.', 'role': 'assistant'}]