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Horr served as the head football coach at Northwestern University in 1909 and at Purdue University from 1910 to 1912 , compiling a career record of 9 – 14 – 2 .
 person: Horr; organization: Northwestern University; organization: Purdue University
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: Horr, Northwestern University, Purdue University 
Answer:
 person: Horr; organization: Northwestern University; organization: Purdue University