A User Has Deployed an Application on His Private Cloud

Multiple Choice

A user has deployed an application on his private cloud. The user is using his own monitoring tool. He wants to configure that whenever there is an error, the monitoring tool should notify him via SMS. Which of the below mentioned AWS services will help in this scenario?

A) None because the user infrastructure is in the private cloud/
B) AWS SNS
C) AWS SES
D) AWS SMS