Utilize the input text as a context reference, choose the right relationship between Sky TV and Sky 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.

Sky TV dropped 4.53 percent, Sky City fell 2.8 percent and Trade Me was down 1.1 percent.

Answer: parent_organization