8019
In 1945 , after the liberation of the Netherlands , he returned to Rotterdam as mayor , although he was also asked to become mayor of Amsterdam , and he was officially re-appointed in 1946 .
 location: Netherlands; location: Rotterdam; location: Amsterdam
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Netherlands; location: Rotterdam; location: Amsterdam