Task: Text Categorization
Input (English): Question: In relation to the process of formation of impressions, what does the phenomenon of Perceptual Defense refer to? 
 Options:  <0> Low threshold to perceive threatening stimuli. <1> Low threshold of recognition before stimuli that satisfy our needs. <2> High threshold to perceive threatening stimuli. <3> High threshold of recognition before positive stimuli. <4> Low threshold to perceive both negative and positive stimuli.
Output (English): psychology