Take context from the input text and decide on the accurate relationship between 'Thomson Reuters' and 'Reuters' from the options provided.
Options: subsidiary, business division, original broadcaster, chief executive officer

Thomson Reuters SEF Garners Certification From LCH.Clearnet’s ForexClear Thomson Reuters SEF Garners Certification From LCH.Clearnet’s ForexClear LCH.Clearnet’s back testing has yielded fluid communication across the entire range of trade lifecycles for Thomson Reuters SEF users.
business division