Question: Information: - Zambezi Airlines was a privately owned airline headquartered in Lusaka , Zambia , that operated flights to south and western Africa out of its base at Kenneth Kaunda International Airport . - Kenneth Kaunda International Airport is an international airport in Lusaka, Zambia. It was officially known as the Lusaka International Airport before being renamed in 2011 in honour of Kenneth Kaunda, the nation's first president. The airport has a capacity of two million passengers per year. - An international airport is an airport that offers customs and immigration facilities for passengers travelling between countries. International airports are typically larger than domestic airports and often feature longer runways and facilities to accommodate the heavier aircraft commonly used for international and intercontinental travel. International airports often also host domestic flights. Some, such as Frankfurt Airport in Germany are very large; others such as Fa'a' International Airport in Tahiti, are quite small. Given the information above, choose from the list below the object entity that exhibits the relation 'airline hub' with the subject 'zambezi airlines'. Choices: - frankfurt airport - lusaka international airport
Answer:
lusaka international airport