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Jerzy Nikitorowicz ( born August 19 , 1951 , Mielnik , Poland ) is professor of pedagogics , dr. hab , rector of the University of Białystok , Poland ( since 2006 ) .
 person: Jerzy Nikitorowicz; location: Mielnik; location: Poland; organization: University of Białystok; location: Poland
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Jerzy Nikitorowicz; location: Mielnik; location: Poland; organization: University of Białystok; location: Poland