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 - Hundreds of thousands of people sign up for infidelity web site Ashley Madison in past week, parent company Avid Life Media says, even after hackers leak data about millions of its clients.

Answer: headquarters_location