Industry sources have said Airbus Group is exploring increasing its stake in tandem with BAE Systems as part of a wider move that could see Airbus cede its 50 percent share of turboprop maker ATR to its joint-venture partner Finmeccanica.
Refer to the input text as context and select the correct relationship between 'Airbus Group' and 'ATR' from the available options.
Options: owner of, platform, location of formation, operator