In the context of the input sentence, determine the relationship between 'Topps Tiles' and 'Retail'.
Options: publisher, parent organization, industry, chief executive officer

For example, Next , WH Smith and Topps Tiles have been thriving, and posting stellar share price gains, while home-shopping group N Brown , the big supermarkets and Home Retail (owner of Argos and Homebase ) have been struggling, and their shares have suffered.
industry