4322
He completed his residency in Orthopaedic Surgery at Northwestern University Medical School Affiliated Hospitals and completed training as a clinical fellow in pediatric orthopaedics at the Alfred I. duPont Hospital for Children [ 1 ] , Wilmington , Delaware .
 organization: Orthopaedic; organization: Northwestern; organization: Medical; organization: Alfred I. duPont Hospital for Children; location: Wilmington , Delaware
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: Orthopaedic, Northwestern, Medical, Alfred I. duPont Hospital for Children, Wilmington , Delaware 
Answer:
 organization: Orthopaedic; organization: Northwestern; organization: Medical; organization: Alfred I. duPont Hospital for Children; location: Wilmington , Delaware