Teacher: 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'.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Question: A 13-year-old girl is operated on due to Hirschsprung illness at 3 months of age. Which of the following tumors is more likely to be present?
Options: <1> Abdominal neuroblastoma <2> Wilms tumor <3> Mesoblastic nephroma <4> Familial thyroid medullary carcinoma.
Solution: 2
Reason: The answer to the given question should be a tumor, therefore Wilms tumor is the correct answer for the given question.

Now, solve this instance: Question: In the course of a patient's interview, you realize that you are not understanding what the patient is saying. He decides to focus his attention on the discourse and realizes that he does not have a guiding idea even though specific fragments of it are understandable. This alteration of the thinking language, typical of schizophrenia on the other hand, is what in psychopathology is known as:
Options: <1> Dissociation of thought. <2> Fugue of ideas. <3> Persistent language. <4> Disorganization of thought. <5> Blocking of thought.
Student:
4