26708
On 18 September 2017 , it was announced by Eberhard van der Laan in an open letter to Amsterdam citizens that Kajsa Ollongren would take up his office as acting Mayor of Amsterdam with immediate effect due to ill health .
 person: Eberhard van der Laan; location: Amsterdam; person: Kajsa Ollongren; 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: Eberhard van der Laan, Amsterdam, Kajsa Ollongren, Amsterdam 
Answer:
 person: Eberhard van der Laan; location: Amsterdam; person: Kajsa Ollongren; location: Amsterdam