Utilize the input text as a context reference, choose the right relationship between 'comScore' and 'Rentrak' from the options.
Options: owner of, publisher, product/material produced, brand

The following factors, among others, could cause actual results to differ materially from those described in the forward-looking statements: failure of the comScore stockholders or Rentrak shareholders to approve the proposed merger; failure to achieve regulatory approval; the challenges and costs of closing, integrating, restructuring and achieving anticipated synergies; the ability to retain key employees, customers and suppliers; and other factors, including those set forth in the most current Annual Report on Form 10-K, Quarterly Report on Form 10-Q and Current Reports on Form 8-K reports filed by comScore and Rentrak with the SEC.
owner of