What is the relationship between 'Thomson Reuters' and 'Reuters' in the context of the input sentence.
Options: subsidiary, director/manager, creator, member of

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.
subsidiary