Task: Question Answering
Input (English): Question: The nurse identifies that the person she has evaluated presents a series of manifestations that correspond to the defining characteristics of a diagnostic label, however, does not identify any possible cause. How should you enunciate the diagnosis following the guidelines of the PES format? 
 Options:  <1> Problem related to unknown cause manifested by the defining characteristics identified. <2> Using the term related to instead of due to, between problem and etiology. <3> As a risk diagnosis. <4> Problem related to the defining characteristics identified. <5> The absence of cause means that there is no problem, so a diagnosis could not be stated.
Output (English): 1