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: Also during the quarter, we agreed to have multiyear renewal for eight stations with Viacom CBS and on the sports side, we have an agreement in principle with one team that expired at the end of last season.
user
owned_by: Viacom, CBS; subsidiary: Viacom, CBS; parent_organization: Viacom, CBS
assistant