173899
National Open University was established on August 1 , 1986 along the lines of Great Britain 's Open University .
 organization: Open; organization: Open 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: Open, Open University 
Answer:
 organization: Open; organization: Open University