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: Biochemistry
[{'content': 'A 10-month old male child was having vomiting upon eating fruits, but is of normal weight. He has been exclusively breast fed till now. The doctor suggests fructose intolerance. Which of the following enzyme would be deficient in this child? \nSelect and explain. \nA. Aldolase B, B. Hexokinase, C. Fructokinase, D. Glucose-6-phosphatase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a. Aldolase B', 'role': 'assistant'}]