There are totally 153 files in this folder, 
[action]_test_split[1-3].txt  corresponding to three splits reported in the paper.
The format of each file is
[video_name] [id]
The video is included in the training set if id is 1
The video is included in the testing set if id is 2
The video is not included for training/testing if id is 0
There should be 70 videos with id 1 , 30 videos with id 2 in each txt file.