What is the relationship between Reddit and SAN FRANCISCO 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.

SAN FRANCISCO (MarketWatch) — Voat, a small social news and forum site that promises no censorship, has become a refuge for angry Reddit users, but the site’s creator says he plans to avoid the mistakes made by others, including the so-called “front page of the Internet.”

Answer: headquarters_location