This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Structure and function of protein, Subject name: Biochemistry
[{'content': 'Aspaame contains \nSelect and explain. \nA. Phenylalanine, B. Histidine, C. Tryptophan, D. Tyrosine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Aspaame is made from aspaic acid and phenylalanine , both are aminoacds . It is 200 times sweeter than sugar. Aspaame is not suitable for people with phenlketonuria. REFERNCE : DM VASUDEVAN TEXTBOK EIGHTH EDITION ; Page no: 99', 'role': 'assistant'}]