Utilize the input text as a context reference, choose the right relationship between comScore and Rentrak 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.

The Rentrak and comScore merger offers greatly needed competition and is a significant step forward for the measurement capabilities of our industry."

Answer: owner_of