First please follow the installation instruction on (Stanza website)[https://stanfordnlp.github.io/stanza/usage.html].
To train the per language Stanza models you can run following inside stanza-train/stanza directory.
./train_all.sh traspas_submission/To create a training dataset, please use
copy_slavner_data.sh downloaded_slavner/ stanza-train/data/nerbase