Once upon a time there was a beautiful princess named Anna. Anna's father the King wanted to be sure his daughter married an intelligent man. To test his daughter's suitors the King hid Anna's picture in one of three boxes. The suitor had to be able to select the box with Anna's picture on one try and within twenty seconds.On the gold box was the message 'Anna's picture is in this box'. The silver box had the message 'Anna's picture is not in this box.''Anna's picture is not in the gold box' was written on the bronze box.The King would tell each suitor 'Only one of the three messages is correct.' Which box contained Anna's picture?
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