Question: In the context of Cell Broadcast Service (CBS) in a 5G System, what is the primary purpose of the `NonUeN2InfoNotify` service operation initiated by the Access and Mobility Management Function (AMF)?
Option 1: To request subscription updates from the NF Service Consumer for CBS events.
Option 2: To notify the NF Service Consumer about changes in AMF's availability for CBS.
Option 3: To inform a specific NF Service Consumer (e.g., CBCF or PWS-IWF) about particular Public Warning System (PWS) events received from NG-RAN via N2.
Option 4: To solicit feedback from the NF Service Consumer on previously sent CBS messages.
Explanation: The `NonUeN2InfoNotify` service operation is used by the AMF to notify subscribed NF Service Consumers (like CBCF or PWS-IWF) about specific PWS events, communicated from NG-RAN to AMF via N2, for effective CBS/CW handling.