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: Indicates which bone is the lesser trochanter: 
 Options:  <1> Fibula. <2> Tibia. <3> Humerus. <4> Femur. <5> Radio.

Ex Output:
4


Ex Input:
Question: The acetylation of the stories affects the transcription: 
 Options:  <1> Blocking the incorporation of other components of the transcription machinery. <2> Preventing the remodeling of chromatin. <3> Facilitating the action of helicases. <4> Decreasing the sensitivity of nuclear receptors. <5> Reducing the affinity of histones for DNA.

Ex Output:

5