51654
In November 1991 , President Richard von Weizsäcker and Chancellor Helmut Kohl agreed in an exchange of letters to declare the third stanza alone to be the national anthem of the reunified republic .
 person: Richard von Weizsäcker; person: Helmut Kohl
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Richard von Weizsäcker, Helmut Kohl 
Answer:
 person: Richard von Weizsäcker; person: Helmut Kohl