What is the relationship between 'Malaysia Airlines' and 'Kuala Lumpur' in the context of the input sentence.
Options: operator, stock exchange, location of formation, chief executive officer

KUALA LUMPUR, Aug 7 (Reuters) - Kuala Lumpur has asked for more help in the search for a Malaysia Airlines plane missing for more than a year, with France to send planes, boats and helicopters to scour the coast of a remote Indian Ocean island where debris washed up.
location of formation