What would the diagnosis be when there are multiple periods of hypomania symptoms and periods of depressive symptoms without meeting DSM criteria for either and where the symptoms are present for over 2 consecutive years and have not been symptoms-free for more than 2 consecutive months?
1) bipolar 1 disorder
2) bipolar 2 disorder
3) major depressive disorder, single episode
4) cyclothymic disorder
5) persistent depressive disorder
6) borderline personality disorder