Input question: Who was the first boxer to win the Olympic heavyweight title and go on to become the World Heavyweight Champion?

Output answer: joe frazier

Input question: What can be a Greek god, a fashion house, and a fictional bureaucrat?

Output answer: hermes

Input question: What American actress became Princess of Monaco following her 1956 wedding to Prince Rainier?

Output answer: grace kelly

Input question: Who beat Andy Murray in the final of the Australian Open in 2015?

Output answer:
novak djokovic