What is the relationship between Samsung and Electronics 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.

The Lee family controls the vast Samsung Group via a complex web of cross shareholdings between the group's subsidiaries, including Samsung Electronics -- the group's flagship unit and the world's top maker of smartphones and mobile phones.

Answer: product_or_material_produced