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Edinburgh 's Lothian Buses introduced the first purpose built open top low floor buses .
 location: Edinburgh; organization: Lothian Buses
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: Edinburgh, Lothian Buses 
Answer:
 location: Edinburgh; organization: Lothian Buses