user: What is rationing?

assistant: Rationing is the restriction of goods. 
It is mostly done when there are insufficient goods/products to meet the demand or needs of the people. 
It is used to save resources.

user: Which musical instrument does Peter Yanowitz play?

assistant: Drums

user: Classify the cities based on whether they are located in South Georgia and South Sandwich Islands or Dominican Republic.
Santiago, Santo Domingo Este, Santo Domingo, Grytviken

assistant: South Georgia and South Sandwich Islands - Grytviken
Dominican Republic - Santo Domingo, Santiago, Santo Domingo Este