Task: Text Categorization
Input (English): Question: What is the therapeutic objective of Covert Sensitization ?: 
 Options:  <0> Develop an attraction response to a stimulus that was previously a source of aversion. <1> Increase the tolerance to an aversive stimulus and reduce the emotional activation it produces. <2> Postpone immediate positive reinforcers of undesirable behaviors. <3> Develop an aversion response to a stimulus that was previously a source of attraction. <4> Mentally reinforce successful trials aimed at achieving objective behavior.
Output (English): psychology