Please type what general procurement strategy the following statements most likely refer to$.$

Note: $"$PR$"$ for purchasing rationalization, "SBO" for supply base optimization, "PaaS" for purchasing as a service, or $"$WSBM$"$ for world$-$class supply base management to be put in the box. Only one of the procurement strategies applies to each statement.

It is the most basic procurement strategy:

It emphasizes the strategic need for procurement to align with internal customers:

It emphasizes the strategic need for procurement to focus on a subset of strategic supplier relationships while managing the less important relationships efficiently:

It fully recognizes suppliers' importance for value creation in final products$/$services and the strategic role of procurement for company success:

It is solely focused on internal efficiency:

It requires global supply market knowledge to be implemented: