Utilize the input text as a context reference, choose the right relationship between 'Costa Coffee' and 'Whitbread' from the options.
Options: distribution format, position held, owner of, parent organization

LONDON (Reuters) - Whitbread (WTB.L), one of Britain's biggest employers, plans cost savings and will raise some of its prices to counter the substantial impact of enforced wage increases at its Premier Inn hotels and Costa Coffee businesses.
parent organization