1518
Due to necessary consolidation within the UK IT market MyTravel Group PLC and Thomas Cook AG agreed to merge in March  2007  to form  Thomas Cook Group  PLC .
 founded: 2007, Thomas Cook Group
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: 2007, Thomas Cook Group