Utilize the input text as a context reference, choose the right relationship between Esurance and Allstate from the options. Options: 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 company, led by CEO Ray Barrette, also holds a stake in life insurer Symetra Financial Corp., and in 2011 sold auto insurer Esurance and Answer Financial to Allstate Corp. for about $1 billion.

Answer: parent_organization