What is the relationship between Kenya Airways and Nairobi 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.

Nairobi — Kenyans took to social media to rant about the Sh25.7 billion loss made by national carrier Kenya Airways in its 2015 full year report.

Answer: location_of_formation