Prepare (all the processed data will be stored to the 'data' folder)

1. Turn to the MWZProcessor folder and generate the dataset.

2. Turn to the 'dst' folder to train the slot generator.

3. Turn to the 'filter' folder to train the state value estimator.

4. Turn to the 'val' folder to train the initial state value generator as the teacher model.

5. Detailed self-training process can be found in the 'val' folder.