In connection with the proposed merger, comScore intends to file a registration statement on Form S-4, which will include a preliminary prospectus and related materials to register the shares of comScore common stock to be issued in the merger, and comScore and Rentrak intend to file a joint proxy statement/prospectus and other documents concerning the proposed merger with the SEC.
Refer to the input text as context and select the correct relationship between 'comScore' and 'Rentrak' from the available options.
Options: product/material produced, founded by, chairperson, owner of