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The knockout stage of the 1998 – 99 UEFA Champions League began on 3 March 1999 and ended with the final at the Camp Nou in Barcelona on 26 May 1999 .
 location: Barcelona
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: Barcelona 
Answer:
 location: Barcelona