Utilize the input text as a context reference, choose the right relationship between 'Alitalia' and 'Etihad Airways' from the options.
Options: parent organization, distribution format, industry, owned by

The long-mooted deal between Etihad Airways and Alitalia came to fruition Aug. 8, 2014 in a complex transaction worth €1.75 billion ($2.35 billion), which saw the Abu-Dhabi-based carrier take a 49% stake in Alitalia for €387.5 million.
parent organization