The conversation between human and AI assistant.
[|Human|] Classify the cities based on whether they are located in Chile or Antigua and Barbuda.
ConcepciÃ³n, Saint Johnâs, Santiago, Puente Alto
[|AI|] Chile - Santiago, ConcepciÃ³n, Puente Alto
Antigua and Barbuda - Saint Johnâs
[|Human|] 
Classify the cities based on whether they are located in Chile or Antigua and Barbuda.
ConcepciÃ³n, Saint Johnâs, Santiago, Puente Alto