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Acting Rear-Admiral David Dixon Porter Commanding the Mississippi Squadron called Pinkney's presence Porter used the occasion to dispel any misgivings about the fleet surgeon's little peculiarities ( Pinkney was known to be of a ' peppery ' nature and stood firmly on his dignity and rights ) writing to Secretary of the  Navy   Gideon Welles  on 30 March 1863 of Pinkney that . . a more zealous devoted officer to the profession and to the country does not exist anywhere . . Soon thereafter the fleet surgeon directed the provision of new ships fitting out at St. Louis Missouri and Cincinnati Ohio with medical stores during June 1863 and later that summer supervised the conversion of a seized Rebel building at Memphis Tennessee into a hospital .
 employee of: Navy, Gideon Welles
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: Navy, Gideon Welles