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The Crime On 24 February 1954 , to fund the purchase of a boat , he went to rob Alexandre Sylberstein , a money changer , of gold coin s. Sylberstein was struck but not unconscious , and raised the alarm .
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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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