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: If you want to study the efficacy and safety of a new cytostatic for a specific oncological process and, at the same time, contrast the efficacy that adds a new monoclonal antibody to this treatment, what would be the most appropriate study design?
Options: <1> Parallel test. <2> Cross test <3> Factorial test. <4> Sequential test. <5> Test of n = 1.

Output: 3

Input: Consider Input: Question: We want to study if Vitamin D can increase the incidence of breast cancer. In our area we have a population registry of cancer. To achieve our goal, all women diagnosed with breast cancer are selected from the register we have and each case pairs with two controls. What study design has been chosen?
Options: <1> Prospective cohort study. <2> Cases and controls study. <3> Case-control study nested. <4> Retrospective cohort study. <5> Ecological study

Output: 3

Input: Consider Input: Question: A 45-year-old man of Moroccan origin, who arrived in Spain three years ago, goes to the nurse's office, with a clean superficial wound, and tells us that six months after arrival he was given a dose of the diphtheriate bath vaccine. Of the following interventions, which is indicated ?:
Options: <1> Start diphtheria tetanus vaccination. <2> Administration of the 2nd dose of tetanus diphtheria. <3> Administration of antitetanus gammaglobulin. <4> Administration of antitetanic gamma globulin and 2nd dose of diphtheria tetanus. <5> No intervention would be indicated since he has a dose of diphtheria tetanus.
Output: 2