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Vardavar lake The origins of the artificial lake dates back to the period of king Argishti I of Urartu during the 8th century BC .
 person: Argishti I of Urartu
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: Argishti I of Urartu 
Answer:
 person: Argishti I of Urartu