What is the relationship between Magic Quadrant and Gartner 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.

For example, NICE is the only vendor that was named the leader by Gartner across both the Magic Quadrant for contact center as a service and Magic Quadrant for Workforce Engagement Management.

Answer: creator