287568
Many authors have attempted/albeit unsuccessfully , to ascertain the reason behind the groundbreaking accomplishments of Orji Uzor Kalu .
 person: Orji Uzor Kalu
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: Orji Uzor Kalu 
Answer:
 person: Orji Uzor Kalu