Analyze the relationship between 'ComScore' and 'Rentrak' within the context of the input sentence.
Options: publisher, business division, owner of, director/manager

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