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: Consider Input: Question: The microbiocidal action of iodine and chlorine and many of its derivatives is due to:
Options: <1> They are oxidizing agents. <2> They bind specifically to the active centers of the enzymes. <3> They bind specifically to ribosomal proteins. <4> They induce pores in the membranes. <5> They cause the dissolution of membrane phospholipids.

Output: 1

Input: Consider Input: Question: Indicates which bone is the lesser trochanter:
Options: <1> Fibula. <2> Tibia. <3> Humerus. <4> Femur. <5> Radio.

Output: 4

Input: Consider Input: Question: The complementary drug protection certificate has a maximum duration of:
Options: <1> Five years. <2> Seven years. <3> Ten years. <4> Fifteen years. <5> Twenty five years.
Output: 1