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In October 2019 , it was announced that investors were interested in the creation of an aerial tramway in the capital , Yerevan .
 location: Yerevan
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: Yerevan 
Answer:
 location: Yerevan