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Ur-Nungal of Uruk was the sixth Sumer ian ruler in the First Dynasty of Uruk ( ca. 26th century BC ) , and son of Gilgamesh according to the Sumerian king list .
 person: Ur-Nungal; location: Uruk; location: Uruk; person: Gilgamesh
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: Ur-Nungal, Uruk, Uruk, Gilgamesh 
Answer:
 person: Ur-Nungal; location: Uruk; location: Uruk; person: Gilgamesh