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He returned to the NFL in 1999 serving as the New Orleans Saints primary kick returner and a backup running back .
 organization: NFL; organization: New Orleans Saints
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: NFL, New Orleans Saints 
Answer:
 organization: NFL; organization: New Orleans Saints