361814
In 1999 a major reduction in Ontario seats resulted in Riverdale being merged with part of East York into a larger riding called Toronto-Danforth .
 location: Ontario; location: Riverdale
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: Ontario, Riverdale 
Answer:
 location: Ontario; location: Riverdale