Refer to the input text as context and select the correct relationship between 'ComScore' and 'Rentrak' from the available options.
Options: business division, owner of, director/manager, publisher

NEW YORK, Sept. 30, 2015 /PRNewswire/ -- Harwood Feffer LLP ( www.hfesq.com ) is investigating potential claims against the board of directors of Rentrak Corporation ("Rentrak" or the "Company") ( RENT ) concerning the proposed acquisition of the Company by ComScore Inc. ("ComScore").
owner of