Utilize the input text as a context reference, choose the right relationship between 'Airbus' and 'A350' from the options.
Options: original broadcaster, distribution format, location of formation, product/material produced

At the handover of Qatar Airways’ first Airbus A350 at Toulouse last December, Al Baker told ATW that Al Maha was only awaiting the document before starting services, but that this was proving to be a “complex” process.
product/material produced