Instructions: 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: P.C. is a 27-year-old woman who was given the first dose of the HBV vaccine 3 weeks ago. He has just been given the results of the serological markers of rubella: Ac anti rubella negative. Taking into account the vaccination situation, what intervention is adequate ?:
Options: <1> Vaccinate the triple viral and the 2nd dose of HBV, at the time of consultation. <2> Vaccinate the triple virus at the time of consultation and wait a week for the administration of the 2nd dose of the HBV vaccine. <3> Vaccinate the 2nd dose of the HBV vaccine at the time of the consultation and wait a week for the administration of the triple virus. <4> Vaccinate from the 2nd dose of the HBV vaccine at the time of consultation, and do not vaccinate from the triple virus since it is immunized. <5> Do not vaccinate for the anti-rubella ACs.
Output:
2