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Despite the grim outlook and poor early poll numbers , when the 2015 election was held , the Liberals under Justin Trudeau had an unprecedented comeback and the realignment was proved only temporary .
 Justin Trudeau
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Justin Trudeau