An organization wants to apply Scrum to build a new product and has hired Steven to be the Scrum Master of three new tea

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An organization wants to apply Scrum to build a new product and has hired Steven to be the Scrum Master of three new teams that will build the first release. The organization is new to Scrum and asks Steven for advice on how to start.
Which two things should Steven first advise? (Choose two.)

A. Each Scrum Team has its own Product Backlog with items only their team will be working on.
B. One Product Backlog to represent all of the known work needed to be done for the product.
C. Three Product Owners, one for each Scrum Team.
D. Having one Product Owner to be accountable for maximizing the flow of value throughout the development process and provide transparency on the overall progress.