A Black Dwarf is final part of a Low Mass Star's life cycle and comes after the White Dwarf. 5 your at the White Dwarf. A Black Dwarf no longer emits light and isn't a star any more. Number 7 your life cycle ended and number 5 is the winner.
A Planetary Nebula is the other way after a Red Giant and everyone who still is alive except 5 are now here. 5 your at a Binary White Dwarf. A Red Giant's outer layers of the star are expelled creating a Planetary Nebula.