This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neonatal Resuscitation, Subject name: Pediatrics
[{'content': 'What is the size of the IV cannula shown below? \nSelect and explain. \nA. 18G, B. 20G, C. 24G, D. 26G', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Size of the IV cannula shown in image is 26G (violet colour).', 'role': 'assistant'}]