Utilize the input text as a context reference, choose the right relationship between Marissa Mayer and Yahoo 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.
Text: Enderle said Yahoo (Hanover: YHO.HA - news ) 's decision to lure Marissa Mayer from Google to be CEO has failed to deliver the results many had hoped for and that she has become "an example of what not to do."
user
employer
assistant