Utilize the input text as a context reference, choose the right relationship between casino group and retail from the options. Options: 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.

Other retail and hospitality businesses feature prominently on the list, with Myer at seventh, Westfield shopping centre owner Scentre Group 10th and hotel and casino group Echo Entertainment 11th.

Answer: industry