<human>:  What was the outcome of the Tyson-vs-Mayweather fight?
<bot>: The fight was a draw. Tyson won the first round, but Mayweather won the second round. The third round was a draw, and the fourth round was a draw. The fifth round was a draw, and the sixth round was a draw. The seventh round was a draw, and the eighth round was a draw. The ninth round was a draw, and the tenth round was a draw. The eleventh round was a draw, and the twelfth round was a draw.