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: Streptococcus sobrinus and Streptococcus mutants are responsible for: 
 Options:  <1> Dental cavities. <2> Burns infections. <3> Rheumatic fever <4> Atypical rhinitis. <5> Otitis stockings.

Ex Output:
1


Ex Input:
Question: With vaginal ultrasound, from how long after conception is it possible to see an embryo with a heartbeat? 
 Options:  <1> Between 14 and 21 days. <2> Between 21 and 28 days. <3> Between 28 and 35 days. <4> Between 35 and 42 days. <5> Between 42 to 49 days.

Ex Output:
2


Ex Input:
Question: In the treatment of patients with Alzheimer's disease, which of the following treatment options do you consider most appropriate? 
 Options:  <1> The initial treatment of any type of urinary incontinence with drugs such as oxybutynin is of choice due to its anticholinergic effects. <2> Treatment with acetylcholinesterase inhibitors. <3> For the treatment of associated depression prioritize the use of tricyclic antidepressants. <4> The typical neuroleptics at high doses. <5> Estrogen replacement therapy.

Ex Output:

2