In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Q: Question: Which of the following statements regarding Bipolar II Disorder is true?
Options: <0> The essential feature is a clinical course characterized by one or more manic episodes or mixed episodes. <1> The presence of a manic or mixed episode prevents the diagnosis from being made. <2> Episodes of mood disorder induced by substances or due to medical illness are considered valid to establish the diagnosis of bipolar II disorder. <3> The information that other people offer does not help much to establish the diagnosis. <4> Bipolar II disorder is characterized by the appearance of one or more major depressive episodes accompanied by at least one manic episode.
A:
psychology