user: What is Lorraine

assistant: Lorraine is a region located in Northeaster France, called Grand Est. It is consisted of the four departments Meuthe-et-Moselle, Meuse, Moselle and Vosges, containing 2,337 communes. Metz is the regional prefecture, and the largest metropolitan area of Lorraine is Nancy. 
The region Lorraine borders Germany, Belgium and Luxembourg. Its inhabitants are called Lorrains and Lorraines in French and number about 2,356,000.

Lorraine is also a common name given to female individuals, in France but also in english english speaking countries such as Canada, United States or United Kingdom.

user: Classify the following based on the category of signals they use.
radio waves, television waves, sound waves, Computers, Digital Phones, Digital pens

assistant: Analog signal- radio waves, television waves, sound waves
Digital signal- Computers, Digital Phones, Digital pens

user: Give me a list of different types of cold coffee beverages.

assistant: - Blended (also known as frappe)
- Cà phê đen (Vietnamese iced coffee)
- Cold brew
- Iced coffee
- Iced espresso
- Iced latte (with or without flavoring)
- Nitro cold brew