15573
But in July 1791 the Priestley Riots took place , driving Joseph Priestley from his home .
 organization: Priestley Riots; person: Joseph Priestley
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: Priestley Riots, Joseph Priestley 
Answer:
 organization: Priestley Riots; person: Joseph Priestley