What is the relationship between 'ZocDoc' and 'company' in the context of the input sentence.
Options: legal form, location of formation, subsidiary, product/material produced

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 .
legal form