3453
On  29 April 1977  BAC the Hawker Siddeley Group and Scottish Aviation were nationalised and merged under the provisions of  Aircraft  and Shipbuilding Industries Act 1977 .
 founded: 29 April 1977, Aircraft
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: 29 April 1977, Aircraft