Task: Question Answering
Input (English): 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.
Output (English): 2