This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: vitamins, Subject name: Biochemistry
[{'content': 'Beta alanine is formed by \nSelect and explain. \nA. Biotin, B. Pyridoxal phosphate, C. Pantothenic acid, D. Folic acid', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Reference: Harpers illustrated biochemistry 30th edition', 'role': 'assistant'}]