Assertion: bipolar disorder's episode | /r/CapableOf | last in duration
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Source sentences:
text: According to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM V), manic episodes seen in BPI must last at least one week in duration whereas hypomanic episodes must last for four consecutive days in duration.
text: I disorder may have manic episodes severe enough to require hospitalization, in which case the episode may last for any duration.