Utilize the input text as a context reference, choose the right relationship between 'Marissa Mayer' and 'Yahoo' from the options.
Options: chief executive officer, currency, position held, employer

Credit Cards Auto Marissa Mayer Remaining Yahoo CEO with Twins on the Way Is a Big Sign of Progress Written by: Eric Reed 09/01/15 - 3:25 PM EDT NEW YORK (MainStreet) -- Tuesday brought the news that Yahoo CEO Marissa Mayer is pregnant with identical twins.
employer