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George Washington Parke Custis ( April 30 1781 October 10 1857 ) the step-grandson of United States President George  Washington  was a nineteenth-century  American  writer orator and agricultural reformer .
 employee of: Washington, American
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:
 employee of: Washington, American