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In 1956 he took over as Leader of the London Symphony Orchestra until 1961 , as one of the ' Young Turks ' who helped to reshape the orchestra after a confrontation between management and players which had prompted many resignations .
 organization: Symphony 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:
 organization: Symphony Orchestra