Refer to the input text as context and select the correct relationship between 'Airbus' and 'aircraft' from the available options.
Options: legal form, platform, product/material produced, location of formation

And these deals follow Rolls-Royce's mammoth $9.2bn contract with Emirates back in April to supply Trent 900 engines -- as well as TotalCare maintenance packages -- to 50 Airbus A380 aircraft from 2016.
product/material produced