How to get the remaining signal substracted

[JZZQuant]

Hi Once the query sound is extracted how do i get the remaining subtracted signal, Does the model emit that as well or do I have to build a different model for extracting the resifual signal. IN typical demucs data sets you always have an Others stem which keeps a track of this. is there something like that in this project. I could not find anything the code, cna you help me out