officiates

"The umpire called the ball "out" during the tennis match. "

"Follow that car!"

"The key functions of a refrigerator are to keep food cold and prevent spoilage. "

"The mayor's office held a special ceremony to honor the city's firefighters. "

"My daughter's teacher is very kind and helpful. "

"She officiated as registrar at the wedding."

"It took him only twenty minutes to perform the task."

"The priest wed the couple."

"The intricate making of the model airplane showcased the student's skill. "

"The referee kicked Jim out of the game for fighting."

"The registrar at the university keeps records of all student enrollments. "

"The magician's words seemed to spell her into a deep sleep. "