Assertion: bipolar disorder's episode | /r/HasProperty | characterized by depressed mood
Facets:
Source sentences:
text: A depressive episode is characterized by depressed mood, or loss of pleasure or interest, or feelings of hopelessness for at least two weeks.
text: These episodes can be characterized by feelings of hopelessness, depressed mood, decreased interest in pleasurable activities, changes in appetite, sleep disturbances or changes in sleep patterns, fatigue, and trouble concentrating.