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.

(Incidentally, he also last month said he "would very much like" comScore and Rentrak to pool their resources to come up with an alternative to Nielsen data when it comes to TV measurement.

Answer: owner_of