Bertelsmann also holds the majority of broadcaster RTL Group (Other OTC: RGLXF - news ) , which last week lifted its full-year sales forecast after regaining market share in its core German TV business.
Refer to the input text as context and select the correct relationship between 'Bertelsmann' and 'RTL Group' from the available options.
Options: owned by, chairperson, owner of, product/material produced