What is the relationship between possible and Rome 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.

EasyJet’s full-year guidance appears to account for the impact of a possible strike over pay in the U.K. and a retreat at Rome Fiumicino airport, where competition is fierce, as well as fallout from the Greek crisis and last month’s terror attack in Tunisia, Cantor Fitzgerald analysts said in a note.
location_of_formation