A nurse is assisting in the care of a client who has persistent depressive disorder. When reinforcing education to the client about their illness, which of the following statements should the nurse make?

"Persistent depressive occurs shortly after taking or withdrawing from a substance."

"Persistent depressive disorder is characterized by delusions and hallucinations."

"Persistent depressive is characterized by both manic and depressive episodes."

"Persistent depressive disorder is a mild chronic form of depression."