Which solution from the SAP Ariba Supplier Management Portfolio is unavailable for customers that currently subscribe to SAP Ariba Supplier Information and Performance Management?

Which solution from the SAP Ariba Supplier Management Portfolio is unavailable for customers that currently subscribe to SAP Ariba Supplier Information and Performance Management?
A . SAP Ariba Network Supplier Services
B . SAP Ariba Supplier Lifecycle and Performance
C . SAP Ariba Supplier Risk
D . SAP Ariba Supply Chain Collaboration for Buyers

Answer: B