What is the relationship between 'George Osborne' and 'Chancellor of the Exchequer' in the context of the input sentence.
Options: position held, chief executive officer, subsidiary, location of formation

Chancellor of the Exchequer George Osborne announced the appointment on Tuesday, saying Vlieghe is an economist of “outstanding ability.” BOE Governor Mark Carney endorsed that view, saying his “insight, judgment and perspective will be invaluable to the committee in the coming years.”
position held