Which of the following are true when it comes to scaling the Product Owner accountability?

Which of the following are true when it comes to scaling the Product Owner accountability?
A . Select all that apply
B. A large Product should have a Chief Product Owner
C. The Product Owner can be assisted by the Developers
D. Each Product has a Product Owner
E. There is only 1 Product Backlog per Product
F. Each Product has one Product Owner

Answer: C,D,E,F

Explanation:

Scrum does not include a Chief Product Owner. All the other options are valid.