This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood Physiology, Subject name: Physiology
[{'content': 'All the following clotting factors are derived from liver except \nSelect and explain. \nA. III, B. V, C. VII, D. IX', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Factor 3 is derived from Damaged tissue and activated platelets NOT from Liver.', 'role': 'assistant'}]