This is where you will upload your solutions for the test file provided. Your solution file must contain the following format: Id,Label 0, 1, ... Note that the file must be in exactly the format specified above, including the header (Id, Label), with newlines separating each line. The Id of each line corresponds to the line number of the review in the provided test file, i.e. the first review in the test file has Id=0 , the second review has Id=1 and so on. In total, you will have 120 reviews, thus 121 lines in the submission file (including the header). Check that before submission. The evaluation stage on Kaggle will split the test file into a public and private section. The public leaderboard will be maintained based on the results evaluated on the public section of the test set. The final score will be assigned at the end of the competition based on the private section of the test file. Obviously, you will not know which reviews correspond to which section. Good luck!