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Rosenberg 's contribution to understanding technological change was acknowledged by Douglass C. North in his Nobel Prize lecture entitled " Economic Performance through Time " .
 person: Rosenberg; person: Douglass C. North
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: Rosenberg, Douglass C. North 
Answer:
 person: Rosenberg; person: Douglass C. North