code: def canonical_treebank_name(ud_name):
      if ud_name in SHORT_NAMES:
          return SHORT_NAMES[ud_name]
      return CANONICAL_NAMES.get(ud_name.lower(), ud_name)
  
label_desc: Use image node_id 2 for calling a global function with example usage: canonical_treebank_name(ud_name) and returns: CANONICAL_NAMES, SHORT_NAMES