What is the relationship between HBO Max and at in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

We finished the quarter with 36.3 million U.S. subscribers to HBO Max and HBO, up from 34.6 million at the end of last year.

Answer: owned_by