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.

RESTON, Va., and PORTLAND, Ore., Oct. 8, 2015 /PRNewswire/ -- comScore, Inc. ( SCOR ) and Rentrak Corporation ( RENT ) today announced that clients and the media industry are demonstrating broad support for the announcement of the merger of comScore and Rentrak.

Answer: owner_of: comScore, Rentrak