Task: Text Categorization
Input (English): Question: In the psychological treatment of recurrent childhood nightmares: 
 Options:  <0> The parents are trained to extinguish, ignoring them, the manifestations of anxiety of the child who has suffered a nightmare. <1> The main objective is to ensure the physical safety of the child. <2> Exposure techniques and systematic desensitization are considered well-established treatments. <3> The technique of review in imagination is the one that has received the greatest empirical support. <4> There are no studies about the therapeutic efficacy of hypnosis.
Output (English): psychology