“We believe the magnitude of our 2005 and 2011 aircraft orders helped us to negotiate favourable terms with Airbus and our other aircraft-related suppliers and service providers, which provide us with a structural cost advantage by reducing the overall costs associated with the acquisition, maintenance and operation of our aircraft,” IndiGo said in the prospectus.
Refer to the input text as context and select the correct relationship between 'Airbus' and 'aircraft' from the available options.
Options: product/material produced, subsidiary, owner of, owned by