14104
In 1972  BOAC  and BEA were combined under the newly formed British Airways Board with the separate airlines coming together as British Airways in  1974  under the guidance of David Nicolson as Chairman of the BA Board .
 founded: BOAC, 1974
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:
 founded: BOAC, 1974