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'.

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.
1

Question: What is interpersonal therapy of social rhythm (or interpersonal and social rhythm therapy)? 
 Options:  <1> An adaptation of interpersonal therapy to the treatment of dysthymic disorder. <2> An adaptation of interpersonal therapy to the treatment of severe major depressive disorder. <3> A therapy resulting from combining interpersonal therapy, behavioral activation therapy and social problem solving therapy. <4> An adaptation of interpersonal therapy for patients with major depressive disorder who have serious problems in their social relationships. <5> An adaptation of interpersonal therapy to the treatment of bipolar disorder.
5

Question: Mass spectrometry is combined with chromatography to generate a very powerful analytical tool. With regard to mass spectrometry (MS), it can be said that: 
 Options:  <1> The electronic ionization is based on the ion-molecule reactions between the reactive gas ions and the analyte molecules. <2> The linear quadrupole mass analyzer consists of four cylinders that are placed in parallel so that they are positively and negatively charged alternately. <3> The flight time analyzer is based on a tube of highly charged material so that only the opposite charge ions enter and separate. <4> The ion trap can be placed at the end of the chromatographic column for molecular ions from the already separated analytes and impact on the screen of a radioactive detector. <5> The ionization method known as MALDI is based on the desorption of ions from a matrix in the form of a gel by rapid bombardment of supercritical gas.

2