Task: Question Answering
Input (English): The final result submitted in public leaderboard is 0.73019 and in private leaderboard is 0.58455. It is quite different in bad way. That maybe is the result of the model too overfit on train set tuning on public test set. 
 Question: What is public dashboard?
Output (English): Public dashboard where competitors can see their results during competition, on part of the test set (public test set).