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Further extension of the line was undertaken to the south in the early 1970 s , and in the 1980 s to the north , with the final station Parnas being opened , following numerous delays , in 2006 .
 location: Parnas
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: Parnas 
Answer:
 location: Parnas