Utilize the input text as a context reference, choose the right relationship between ZocDoc and company from the options. Options: 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