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."
Utilize the input text as a context reference, choose the right relationship between 'Marissa Mayer' and 'Yahoo' from the options.
Options: employer, stock exchange, currency, location of formation