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The screw , the last of the simple machines to be invented , first appeared in Mesopotamia during the Neo-Assyrian period ( 911 - 609 ) BC .
 location: Mesopotamia
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: Mesopotamia 
Answer:
 location: Mesopotamia