313236
In 1920 Dykes began teaching at Dunbar High School , and in 1921 she received a PhD from Radcliffe ( now a part of Harvard University ) .
 person: Dykes; organization: Dunbar; organization: Radcliffe; organization: Harvard 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: Dykes, Dunbar, Radcliffe, Harvard University 
Answer:
 person: Dykes; organization: Dunbar; organization: Radcliffe; organization: Harvard University