Utilize the input text as a context reference, choose the right relationship between 'Maersk Drilling' and 'Maersk' from the options.
Options: location of formation, developer, parent organization, industry

* Says Maersk Drilling has been awarded a contract extension for the jack-up rig Maersk Innovator with ConocoPhillips for work on the Eldfisk field offshore Norway
parent organization