Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: 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.

The amount of money that the adorable cat Lil Bub has earned for owner Mike Bridavsky has not been disclosed, but it’s enough that Bridavsky quit his day job years ago and has donated $200,000 to animal charities.
owned_by: Lil Bub, Mike Bridavsky