Bayer AG’s Covestro plastics unit, which opened its 2.5 billion-euro IPO to investors on Monday, has yet to find demand for all the shares on offer, according to people familiar with the matter.
Refer to the input text as context and select the correct relationship between 'Covestro' and 'Bayer' from the available options.
Options: parent organization, legal form, owned by, owner of