Task: Question Answering
Input (English): Question: Acceptance and Commitment Therapy is structured around two central concepts, what are they? 
 Options:  <1> Experiential Avoidance and Personal Values. <2> Acceptance and Validation <3> Activation and Commitment <4> Experiential Avoidance and Cognitive Restructuring. <5> The emotional Vulnerability and the cognitive defusion.
Output (English): 1