Task: Text Categorization
Input (English): Question: Which of the following techniques is considered, according to the available evidence, a well-established treatment in the case of childhood phobias: 
 Options:  <0> The training in HHSS. <1> The emotive images. <2> The therapy based on the game. <3> Systematic desensitization through eye movements. <4> The practice reinforced.
Output (English): psychology