2647
The editorial quoted  Erik Prince  a former elite Navy Seal and the co-founder of  Blackwater Worldwide  -- one of the world's best-known private military company -- as saying that with 250 or so professionals his North Carolina-based company could transform about a thousand of the African Union soldiers into an elite and highly mobile force .
 founded by: Erik Prince, Blackwater Worldwide
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 founded by: Erik Prince, Blackwater Worldwide