Assertion: depression's symptom | /r/CapableOf | define major depressive episode
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Source sentences:
text: Dysthymic disorder, now known in the psychiatric community as "persistent depressive disorder" or chronic major depression, is a condition involving the presence of a depressed mood more days than not for at least a two year period in adults (one year in children and adolescents) plus at least two of the above associated symptoms, but fewer than the five symptoms which define a major depressive episode.