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The 4th European Cross Country Championships were held at Oeiras in Portugal on 14 December 1997 .
 location: Oeiras; location: Portugal
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: Oeiras, Portugal 
Answer:
 location: Oeiras; location: Portugal