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Competition has become intense , particularly on its core trans - Atlantic flights , and former chief executive Bob Ayling resigned in March after a troubled four - year stint .
 organization: its; person: former chief executive; person: former chief executive Bob Ayling; location: Atlantic
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 organization: its; person: former chief executive; person: former chief executive Bob Ayling; location: Atlantic