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In 2000 , Roth won the Donatella Flick Conducting Competition , which led to his appointment as Assistant Conductor of the London Symphony Orchestra for two years .
 person: Roth; organization: Orchestra
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:
 person: Roth; organization: Orchestra