Your company has headquarters in two countries: Toronto (Canada) and Washington (USA). Each headquarter has a number of branch offices. The branch offices only need to communicate with the headquarter in their country, not with each other i.e. no branch office should communicate with another branch office.

A.
You need to define two stars and a mesh

B.
You need to define a star and two meshes

C.
You need to define two stars and two mesh

D.
You need to define three stars and two meshes

E.
You need to define a star and a mesh