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'.

Input: Consider Input: Question: The treatment of 1-hexyne with 1 mole of hydrogen bromide results in: 
 Options:  <1> 1-bromo-1-hexene. <2> 1-bromo-2-hexene. <3> 1-bromo-3-hexene. <4> 2-bromo-1-hexene. <5> 2-bromo-2-hexene.

Output: 4


Input: Consider Input: Question: With regard to child abuse, point out the aspects that indicate the non-accidental nature of injuries and suggest that they are due to mistreatment: 
 Options:  <1> Delay in asking for help or going to the consultation. <2> When the story of the accident or the facts is unconvincing. <3> The explanations given by the parents, separately, are discordant. <4> History with numerous accidents or traumatisms. <5> All the answers include situations that are associated with abuse.

Output: 5


Input: Consider Input: Question: Acid-resistant alcohol staining is positive in bacteria of the genus: 
 Options:  <1> Mycoplasma. <2> Helicobacter <3> Borrelia. <4> Mycobacterium <5> Clostridium


Output: 4