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
Swimming pool odor in classical of which inborn error of metabolism? 
Select and explain. 
A. Tyrosinemia, B. Hawkinsinuria, C. Phenylketonuria, D. Multiple carboxylase deficiency
B: Hawkinsinuria
Answer: B: Hawkinsinuria 
Explanation: Tyrosinemia - Boiled cabbage odor.
Hawkinsinuria - Swimming pool odor.
Phenylketonuria - Mousey odor.
Multiple carboxylase deficiency - Tomcat urine.