1808
During his career Mason served as the Chairman and CEO of the Kelvinator Corporation ( 1928-1937 ) Chairman and CEO of the Nash-Kelvinator Corporation ( 1937-1954 ) and Chairman and CEO of  American Motors  Corporation (  1954  ) .
 None
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:
 NA: American Motors, 1954