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: In which personality disorder can the individual have unfounded and recurrent suspicions about the fidelity of the couple, as well as having doubts about the loyalty or honesty of the friends or acquaintances ?:
Options: <1> In the celotypic personality disorder. <2> In delusional personality disorder. <3> In the dependent personality disorder. <4> In the paranoid personality disorder. <5> In narcissistic personality disorder.
4