What is the relationship between Aer Lingus and Dublin in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Transport IAG gives up five Gatwick slots to gain EU green light for Aer Lingus deal IAG, which owns British Airways, will also enter into agreements with competing airlines which operate long-haul flights out of Britain IAG's plan to buy Aer Lingus and build a new transatlantic hub at Dublin airport won the support last week of Ryanair, which holds a 30pc stake in its rival Photo: Reuters By Reuters

Answer: location_of_formation