Task: Sentence Expansion
Input (English): Since the list began , every serving President of the United States has been a Person of the Year at least once , except for Calvin Coolidge , Herbert Hoover , and Gerald Ford .
Output (English): Since the list began , every serving President of the United States has been a Man or Person of the Year at least once with the exceptions of Calvin Coolidge ( in office at time of the first issue ) , Herbert Hoover ( the subsequent U.S. President ) , and Gerald Ford .