Task: Text Categorization
Input (English): Question: What alteration does a person suffer that believes that their thoughts are not theirs but have been introduced into the mind by an external and irresistible force ?: 
 Options:  <0> Obsessive idea <1> Delusional idea of ​​denial. <2> Fugue of ideas. <3> Delirium to be controlled. <4> Echo of thought.
Output (English): psychology