We've organizations with path
A1 → B1 → C1 and
A1 → B1 → C2.
I have to know which a part of path forms entity group. Is
C2 goes to entity number of
A1 → B1 and
A1 is separate entity group or there's just one entity number of
Organizations form groups according to roots of the ancestor hierarchy. Different root means different groups. So inside your situation, you've only one entity group since individuals two pathways you've pointed out are generally rooted in