83877
He joined the Institutional Revolutionary Party in 1963 and chaired it in the late 1990 s .
 organization: Institutional Revolutionary Party
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: Institutional Revolutionary Party 
Answer:
 organization: Institutional Revolutionary Party