What is the relationship between Harpoon Brewery and Boston 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 key players in the Beer Market in the US are Anheuser Boston Beer Carlsberg Heineken and SAB Miller while other prominent vendors include Anchor Brewing Bear Republic Brewing Harpoon Brewery Lagunitas Brewing New Belgium Brewing Pabst Brewing and Summit Brewing

Answer: headquarters_location