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: Graphite is a conductor because: 
 Options:  <1> The valence band has electronic vacancies. <2> The driving band has electronic vacancies. <3> Both bands have electronic vacancies. <4> The banned band is very big. <5> The band gap is zero.
Example Output: 5

Example Input: Question: In the parasympathetic system: 
 Options:  <1> The preganglionic neuron is in thoracic spinal cord. <2> Postganglionic neurons have short axons. <3> Postganglionic fibers release noradrenaline. <4> Postganglionic neurons have muscarinic receptors. <5> Numerous neurons innervate vascular smooth muscle of the extremities.
Example Output: 2

Example Input: Question: A 5-year-old boy with symptoms of possible meningitis is seen in an emergency department. Gram-negative diplococci and abundant polymorphonuclear leukocytes are observed in the Gram stain of the cerebrospinal fluid sediment. What microorganism does it suggest as a possible cause of the infection ?: 
 Options:  <1> Haemophilus influenzae. <2> Streptococcus pneumoniae <3> Streptococcus agalactiae. <4> Neisseria meningitidis. <5> Listeria monocytogenes.
Example Output:
4