Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: Hypokalemia is a physiological symptom that can typically occur: 
 Options:  <1> In sleep disorders. <2> In addictions. <3> In anorexia nervosa. <4> In bulimia but not in anorexia nervosa. <5> In disorders of attention deficit and disturbing behavior.
