Task: Question Answering
Input (English): Question: The presence of nonspecific prodromes in a psychotic disorder: 
 Options:  <1> It refers to one of the three phases in which a psychotic episode evolves. <2> It refers to the acute phase. <3> It refers to the recovery phase. <4> It defines the abrupt onset of the first psychotic episode. <5> It is a phase in which the patient does not need treatment.
Output (English): 1