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Paul Shields ( born ) is an Irish professional rugby union footballer of the 2000s , playing at club level for Ulster Rugby and Northampton Saints , as a Hooker .
 person: Shields; organization: Ulster Rugby; organization: Northampton 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: Shields, Ulster Rugby, Northampton Saints 
Answer:
 person: Shields; organization: Ulster Rugby; organization: Northampton Saints