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However , in 2004 the Liberals lost seats in Parliament , going from 172 of 301 parliamentary seats to 135 of 308 , and from 40.9 % to 36.7 % in the popular vote .
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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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