In the context of the input sentence, determine the relationship between 'comScore' and 'Rentrak'.
Options: operator, chairperson, distributed by, owner of

You are hereby notified that Levi & Korsinsky, LLP has commenced an investigation into the fairness of the sale of Rentrak Corporation ( RENT ) to comScore, Inc. ( SCOR ) for 1.15 shares of comScore, representing an approximate value of $49.63 per share based on the closing price of comScore on the business day prior to the merger announcement.
owner of