330683
In 1933 , while studying dentistry at Creighton University , Cassel was provided with the opportunity to sing for renowned baritone Lawrence Tibbett after attending one of Tibbet 's recitals in Omaha , Nebraska .
 organization: Creighton University; person: Cassel; person: Lawrence Tibbett; location: Omaha , Nebraska
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: Creighton University, Cassel, Lawrence Tibbett, Omaha , Nebraska 
Answer:
 organization: Creighton University; person: Cassel; person: Lawrence Tibbett; location: Omaha , Nebraska