code: def main(conversion=read_tree, log=True):
      paths = [
          "extern_data/constituency/turkish/TurkishAnnotatedTreeBank-15",
          "extern_data/constituency/turkish/TurkishAnnotatedTreeBank2-15",
          "extern_data/constituency/turkish/TurkishAnnotatedTreeBank2-20",
      ]
      train_treebank, dev_treebank, test_treebank = read_starlang(
          paths, conversion=conversion, log=log
      )
  
      print("Train: %d" % len(train_treebank))
      print("Dev: %d" % len(dev_treebank))
      print("Test: %d" % len(test_treebank))
  
      print(train_treebank[0])
      return train_treebank, dev_treebank, test_treebank
  
file_path: stanza/stanza/utils/datasets/constituency/convert_starlang.py
imports: import os
  import re
  from tqdm import tqdm
  from stanza.models.constituency import parse_tree
  from stanza.models.constituency import tree_reader
label_desc: Use image node_id 4 for calling a global function with example usage: main(conversion, log) and returns: train_treebank,  dev_treebank,  test_treebank