42409
Ironically , Prince Mongkut may have later contributed to this misconception , when he feared that his own accession might be perceived by foreign observers as a usurpation .
 person: Mongkut
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: Mongkut 
Answer:
 person: Mongkut