What is the relationship between Instacart and delivery 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.

So sticking on kind of this expansion beyond food delivery, as we look at the U.S. market for grocery delivery that would pit you up against some pretty well entrenched players and Instacart and Amazon and grocery margins obviously don't allow for large commissions from grocery store.

Answer: industry