BEIJING Aug 6 China called on Malaysia on Thursday to continue investigating what happened to a missing Malaysia Airlines flight after Kuala Lumpur said a piece of a wing that washed up on an Indian Ocean island beach last week was part of the plane's wreckage.
Analyze the relationship between 'Malaysia Airlines' and 'Kuala Lumpur' within the context of the input sentence.
Options: chief executive officer, legal form, location of formation, chairperson