Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.
Text: The sale adds to concern among some Britons about the number of prominent companies that have been bought by foreign owners, including department store Harrods, toy brand Hamleys and chocolate maker Cadbury.
user
product_or_material_produced: Hamleys, toy
assistant