Definition: 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'.
Input: Question: Which of the following enzymes acts in the pentose phosphate route ?: 
 Options:  <1> Aldolase <2> Glucose 6-phosphate dehydrogenase. <3> Glycogen phosphorylase. <4> Fosfofructoquinasa-1. <5> Pyruvate kinase.
