Refer to the input text as context and select the correct relationship between 'Maersk Drilling' and 'Maersk' from the available options.
Options: location of formation, parent organization, industry, developer

* 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