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'.

Example Input: Question: They incorporate sterols to their plasma membrane:
Options: <1> Mycobacterium tuberculosis. <2> Micrococcus luteus. <3> Mycoplasma pneumoniae <4> Chlamydia trachomatis. <5> Rickettsia prowazekii.
Example Output: 3

Example Input: Question: A colonoscopy of colorectal cancer screening is performed on a patient with ulcerative colitis with involvement up to the transverse colon. Colonoscopy shows no signs of inflammatory activity. Multiple biopsies were performed every 10 cm. The biopsies were reviewed by 2 expert pathologists demonstrating a focus of high grade dysplasia in one of the biopsies performed in the sigmoid colon. What would you indicate next?
Options: <1> Repeat the colonoscopy to confirm the diagnosis. <2> Intensive surveillance with colonoscopy every 3 to 6 months. <3> Repeat the examination and perform a chromoendoscopy to identify the lesion and perform an endoscopic mucosectomy. <4> Total proctocolectomy. <5> Treatment with mesalazine at doses of 2-3 grams per day and repeat the scan at 3 to 6 months.
Example Output: 4

Example Input: Question: With regard to the intermittent administration of enteral nutrition, point out the INCORRECT response:
Options: <1> It can be administered in bolus. <2> The administration should last 15 to 20 minutes. <3> After the take, you have to wash the probe to remove debris. <4> It is always administered with a pump. <5> The total amount is divided into 4 or 5 daily doses.
Example Output:
4