9949
Mavromandila is at about 130 m elevation , Petroto at 730 m and Agia Paraskevi at about 900 m. The river Glafkos flows east and north of the community .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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