This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'A baby can follow an object till 180 degrees, can hold neck, can sit without suppo .The age of the baby is? \nSelect and explain. \nA. 1 month, B. 3 months, C. 5 months, D. 6 months', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Following an object upto 180 degrees- 2 months Neck holding-3 months Sits without suppo ( tripod position) -6 months. So, the age of the baby is 6 months.', 'role': 'assistant'}]