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'.

Ex Input:
Question: Pseudomonas aeruginosa is: 
 Options:  <1> Able to ferment a large variety of sugars. <2> Often resistant to many antibiotics for medical use. <3> Responsible for toxi-alimentary infections. <4> Part of the normal microbiota of the skin. <5> A commensal bacterium of the digestive tract.

Ex Output:
2


Ex Input:
Question: Clostridium perfringens can cause various infections, including: 
 Options:  <1> The anthrax. <2> Pseudomembranous colitis. <3> The gas gangrene. <4> Tetanus <5> The syndrome of scalded skin.

Ex Output:
3


Ex Input:
Question: The pulmonary surfactant: 
 Options:  <1> It is secreted by type I pneumocytes. <2> Stabilizes the alveoli. <3> Its main component is albumin. <4> Increases the surface tension of the alveolus. <5> It is only in the small alveoli.

Ex Output:

2