15043
Gray , a graduate of Duke University , was a professor at Rollins College until 2011 , when he went to the University of Hartford 's Hartt School At Rollins he taught Meisner Technique Acting for Musical Theatre .
 person: Gray; organization: Duke University; organization: Rollins College; organization: University of Hartford; organization: Rollins
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: Gray, Duke University, Rollins College, University of Hartford, Rollins 
Answer:
 person: Gray; organization: Duke University; organization: Rollins College; organization: University of Hartford; organization: Rollins