Which two are true about the composition relationship “A Blip consists of many Blipverts.”?
(Choose two.)
A.
When a Blipvert is deleted, its Blip should also be deleted.
B.
A Blipvert must be part of at least one Blip.
C.
A Blipvert can be a part of only one Blip.
D.
A Blip must have at least two Blipverts.
E.
When a Blip is deleted, each of its Blipverts should also be deleted.