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He has been a Councillor for West Hampstead since 1994 , and in the local elections of May 2006 became the first ever Liberal Democrat Leader of Camden London Borough Council , ending Labour 's 35 year hold on the borough .
 organization: Liberal Democrat; organization: Camden London Borough Council; organization: Labour 's
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: Liberal Democrat, Camden London Borough Council, Labour 's 
Answer:
 organization: Liberal Democrat; organization: Camden London Borough Council; organization: Labour 's