45632
From their sources and upper courses in the mountains of eastern Turkey , the rivers descend through valleys and gorges to the uplands of Syria and northern Iraq and then to the alluvial plain of central Iraq .
 location: Turkey; location: Syria; location: Iraq; location: Iraq
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: Turkey, Syria, Iraq, Iraq 
Answer:
 location: Turkey; location: Syria; location: Iraq; location: Iraq