What is the relationship between FedEx and FedEx Ground 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.

FedEx Freight has provided more than 20 million miles of road and intermodal support and delivered more than 750,000 non-conveyable shipments for FedEx Ground so far in fiscal year 2021.
subsidiary