Task: Text Categorization
Input (English): Question: Acceptance and Commitment Therapy is structured around two central concepts, what are they? 
 Options:  <0> Experiential Avoidance and Personal Values. <1> Acceptance and Validation <2> Activation and Commitment <3> Experiential Avoidance and Cognitive Restructuring. <4> The emotional Vulnerability and the cognitive defusion.
Output (English): psychology