What is the relationship between SMS Audio and 50 Cent 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.

Of course, Sleek Audio won a suit over 50 Cent for more than $16 million in 2014 over using the company's intellectual property in his SMS Audio headphones.

Answer: founded_by