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On 29 May 2010 , ten oil spill clean-up workers had been admitted to West Jefferson Medical Center in Marrero , Louisiana .
 organization: Louisiana
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Louisiana 
Answer:
 organization: Louisiana