Simplify the following text for a Grade 9 native English-speaking person.
Original: The President of the United States is customarily sworn in by the Chief Justice of the United States , and the British sovereign is always crowned by the Archbishop of Canterbury .
Simplified: The President of the United States is sworn in by the Chief Justice of the United States at his or her inauguration . The British monarch is usually made king or queen by the Archbishop of Canterbury at his or her coronation .