49978
Amsterdam and Rotterdam operated as important cosmopolitan centres where merchant ships from many parts of the world brought people of various customs and beliefs .
 location: Amsterdam; location: Rotterdam
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, Rotterdam 
Answer:
 location: Amsterdam; location: Rotterdam