5517
Its western boundary with the comuna of Guayabal runs along the Medellín River ; it limits to the south with the city of Envigado , to the east with the township of Santa Elena and to the north with the comunas of La Candelaria and Buenos Aires .
 location: Medellín; location: Envigado
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: Medellín, Envigado 
Answer:
 location: Medellín; location: Envigado