What is the relationship between ZocDoc and company 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 only two New York City startups more valuable than ZocDoc are Blue Apron, a $2 billion food delivery startup, and WeWork, a $10 billion company that rents out office space, according to Dow Jones VentureWire .

Answer: legal_form