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Between 1970 and 1980 , Amsterdam experienced its sharp population decline , peaking at a net loss of 25,000 people in 1973 .
 location: Amsterdam
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: Amsterdam 
Answer:
 location: Amsterdam