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: The main virulence factor of Streptococcus pneumoniae is one (one): 
 Options:  <1> Fímbria. <2> Capsule. <3> Scourge <4> Endotoxin <5> Adhesin
Example Output: 2

Example Input: Question: Pseudomonas aeruginosa is typically: 
 Options:  <1> Sensitive to most antibiotics used in human medicine. <2> Pathogen obligated. <3> Opportunistic pathogen. <4> Commensal bacteria of the digestive tract. <5> Intracellular pathogen.
Example Output: 3

Example Input: Question: From the following answers, which best defines a patient with microalbuminuria: 
 Options:  <1> Presence of renal disease in the terminal stage. <2> Nephrotic disease <3> Predictive diabetic nephropathy. <4> Glomerulonephritis <5> Orthostatic proteinuria
Example Output:
3