Definition: 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: Question: Human papilloma virus has been linked to cervical intraepithelial neoplasia and cervical cancer. Which genotype is the most oncogenic?
Options: <1> Genotype 16. <2> Genotype 11 <3> Genotype 6. <4> Genotype 23. <5> Genotype 55.
Output:
1