The conversation between human and AI assistant.
[|Human|] Classify the cities based on whether they are located in Eritrea or Gabon.
Keren, Franceville, Asmara, Port-Gentil, Assab, Libreville
[|AI|] Eritrea - Asmara, Keren, Assab
Gabon - Libreville, Port-Gentil, Franceville
[|Human|] 
Classify the cities based on whether they are located in Eritrea or Gabon.
Keren, Franceville, Asmara, Port-Gentil, Assab, Libreville