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In 2010 , GlaxoSmithKline started a phase 1 blind study to evaluate its GSK2392103A vaccine .
 organization: GlaxoSmithKline
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: GlaxoSmithKline