What is the relationship between Ashley Madison and TORONTO 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.

TORONTO (Reuters) - The owner of adultery website Ashley Madison had already been struggling to sell itself or raise funds for at least three years before the publication of details about its members, according to internal documents and emails also released by hackers as part of their assault on the company in recent weeks.

Answer: headquarters_location