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On January 18 1937 President Roosevelt appointed Charles Edison as Assistant Secretary of the  Navy  then as Secretary on January 2 1940  Claude A. Swanson  having died several months previously .
 employee of: Navy, Claude A. Swanson
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Navy, Claude A. Swanson 
Answer:
 employee of: Navy, Claude A. Swanson