Which two roles of the systems are involved in an environment where salesforce users are enabled to access Google Apps from within salesforce through App launcher and connected App set up? Choose 2 answers

Which two roles of the systems are involved in an environment where salesforce users are enabled to access Google Apps from within salesforce through App launcher and connected App set up? Choose 2 answers
A . Google is the identity provider
B . Salesforce is the identity provider
C . Google is the service provider
D . Salesforce is the service provider

Answer: D