What is the relationship between 'ComScore' and 'Internet' in the context of the input sentence.
Options: location of formation, owner of, stock exchange, industry

Share on Facebook Share on Twitter Share on WhatsApp Share on LinkedIn Share on Reddit Share on Google+ E-mail Share on Twitter Share on WhatsApp ComScore Inc., the Internet researcher, agreed to buy Rentrak Corp. in an all-stock merger valued at more than $800 million, combining two media-monitoring companies to create a more formidable rival to Nielsen.
industry