Given phrases that describe the relationship between two words/phrases as options, extract the word/phrase pair and the corresponding lexical relationship between them from the input text. The output format should be "relation1: word1, word2; relation2: word3, word4". 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.

CBS did not disclose details of the agreement, but it comes just days after its sister company Viacom Inc threatened to pull its cable channels from Time Warner's 13 million homes because of a disagreement over a separate deal.

Answer: owned_by: Viacom, CBS; subsidiary: Viacom, CBS; parent_organization: Viacom, CBS