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.
Refer to the input text as context and select the correct relationship between 'Malaysia Airlines' and 'Kuala Lumpur' from the available options.
Options: chairperson, chief executive officer, legal form, location of formation