Take context from the input text and decide on the accurate relationship between 'Sarah Feinberg' and 'administrator' from the options provided.
Options: legal form, subsidiary, product/material produced, position held

"For drivers and passengers who are driving an unfamiliar route, travelling at night, or who lose situational awareness at any given moment, receiving an additional alert about an upcoming crossing could save lives," acting administrator Sarah Feinberg wrote.
position held