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H.R. Cullen would later serve as Chairman of the Board of Regents for the university — and before his death in 1957 — had donated over $ 11 million dollars to the University of Houston .
 person: Cullen; organization: Houston
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: Cullen, Houston 
Answer:
 person: Cullen; organization: Houston