90485
It fell to the Muslim conquest in 638 , was briefly retaken by Byzantium in 1031 and became the center of the Crusader state of the County of Edessa from 1098 – 1144 .
 location: Byzantium; location: County of Edessa
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: Byzantium, County of Edessa 
Answer:
 location: Byzantium; location: County of Edessa