Refer to the input text as context and select the correct relationship between 'Covestro' and 'Bayer' from the available options.
Options: employer, owned by, chairperson, distributed by

Fri, Sep 4, 2015, 11:05 BST - UK Markets close in 5 hrs 25 mins Bayer says Covestro unit to go public in Q4 AFP – 28 minutes ago View Photo
owned by