This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastro Intestinal System, Subject name: Pediatrics
[{'content': 'Color of transition stools: \nSelect and explain. \nA. Green, B. Brown, C. Yellow, D. Pale', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Green(Ref: Nelson's 20/e p 63, Ghai 8/e p 134-136)Transitional stools are dark greenish yellow and loose, sometimes 'seedy' in texture.", 'role': 'assistant'}]