37992
From around the 15th century AD , Shirazi slave traders established trading ports and brought in slaves from the mainland .
 location: Shirazi
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: Shirazi 
Answer:
 location: Shirazi