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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
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 location: Parnas