What is the relationship between 'Airbus' and 'aircraft' in the context of the input sentence.
Options: product/material produced, publisher, chairperson, headquarters location

Planemaker Airbus Group SE and aircraft lessor Intrepid Aviation Ltd are the biggest creditors to Skymark, which ran into financial trouble after embarking on an ambitious expansion that included buying Airbus A380 jumbo jets.
product/material produced