41871
In August 2007 , the Atlantic puffin was proposed as the official symbol of the Liberal Party of Canada by its deputy leader Michael Ignatieff , after he observed a colony of these birds and became fascinated by their behaviour .
 organization: Liberal Party of Canada; person: Michael Ignatieff
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 Party of Canada, Michael Ignatieff 
Answer:
 organization: Liberal Party of Canada; person: Michael Ignatieff