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Helgason managed the American operations of the company from 1961 to 1973 , at which point he returned to Reykjavík to become CEO of Icelandair .
 person: Helgason; location: Reykjavík; organization: Icelandair
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: Helgason, Reykjavík, Icelandair 
Answer:
 person: Helgason; location: Reykjavík; organization: Icelandair