What is the relationship between Samsung and mobile phone 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.

Microsoft, and Samsung and Google really interesting cool companies that haven't been mobile phone companies, quite frankly, right?

Answer: product_or_material_produced