6696
USS ''  Ulysses S. Grant  '' ( SSBN-631 ) a fleet ballistic missile submarine was the third ship of the  United States  Navy to be named for Ulysses S. Grant ( 1822 1885 ) American Civil War general and the 18th President of the United States ( 1869-1877 ) .
 employee of: Ulysses S. Grant, United States
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: Ulysses S. Grant, United States