user: Give this paragraph about TCP/IP, what are the four abstraction laters?

assistant: From lowest to highest, the layers are:
- link layer, containing communication methods for data that remains within a single network segment (link)
- the internet layer, providing internetworking between independent networks; 
- the transport layer, handling host-to-host communication;
- the application layer, providing process-to-process data exchange for applications.

user: What is a CRM?

assistant: Customer relationship management is a process in which a business or other organization administers its interactions with customers, typically using data analysis to study large amounts of information.

user: Extract the nationalities of the population of the Azores islands in Portugal. Separate them with a comma.

assistant: Portuguese, Flemish, Spanish, French, Italians, Germans, Scottish, Jews, Moors, Blacks