The returning officer is responsible for overseeing the election process.

The revenue officer conducted an audit on the company's financial records.

The probation officer visited the defendant to check on their progress.

The officer of the day is responsible for overseeing the daily operations.

The chief petty officer is responsible for leading and supervising a group of sailors.

The chief warrant officer is responsible for overseeing the technical aspects of military operations.

The public relations officer organized a press conference to announce the company's new product.

I need to go to the post office to mail this package.

The Met Office provides weather forecasts and climate information.

The president held a meeting in the Oval Office.