18356
The envoys boarded three treasure ships and set sail from Sumatra to the port of Aden .
 location: Sumatra; location: Aden
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Sumatra, Aden 
Answer:
 location: Sumatra; location: Aden