55023
which serve 48 stations , Further extension is under contruction towards the major commercial port of Piraeus .
 location: Piraeus
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: Piraeus 
Answer:
 location: Piraeus