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: Anatomy
[{'content': 'Which of the following is present in cailage but not in bone tissue ? \nSelect and explain. \nA. Type 1 collagen, B. Blood, C. Nerves, D. Chondroitin sulfate', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Chondroitin sulfate", 'role': 'assistant'}]