Detailed 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'.
Q: Question: Point out the correct answer regarding the treatment of schizotypal personality disorder:
Options: <1> The treatment program with the most empirical support for this disorder is therapy based on mentalization. <2> Therapeutic strategies that are used for schizophrenia may be useful, given the remarkable relationship between two clinical entities. <3> The focus of treatment is the impulsivity characteristic of this disorder. <4> The program that has received the most empirical support for this disorder is behavioral dialectical therapy. <5> For the treatment of this disorder therapeutic strategies that apply to obsessive-compulsive disorder are used.
A:
2