Q: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Question: In the urea cycle:
Options: <1> Enzymes that participate are located in the mitochondria. <2> Genetic defects can be treated with benzoate. <3> An intermediate metabolite is N-acetylglutamate. <4> Lysine is synthesized. <5> Carbamylphosphate synthetase II intervenes.
A:
2