In the context of the input sentence, determine the relationship between 'Costa Coffee' and 'Whitbread'.
Options: currency, founded by, owned by, parent organization

Clothing retailer Next (NXT.L), Costa Coffee owner Whitbread (WTB.L) and pub chain Wetherspoon's (JDW.L) have all warned about the higher costs stemming from the government's wage policy.
parent organization