1072
E. I. du Pont de Nemours and Company commonly referred to as  DuPont  is an American chemical company that was founded in July 1802 as a gunpowder mill by   du Pont .
 founded by: DuPont, 
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: DuPont, 