code: def make_key(word: str, sense: str) -> str:
      """Create a key from a word and sense, e.g. "usage_example|NOUN".
  
      word (unicode): The word.
      sense (unicode): The sense.
      RETURNS (unicode): The key.
      """
      text = re.sub(r"\s", "_", word)
      return text + "|" + sense
  
file_path: sense2vec/sense2vec/util.py
imports: from typing import Union, List, Tuple, Set
  import re
  from spacy.tokens import Doc, Token, Span
  from spacy.util import filter_spans
  from thinc.api import get_array_module
  import catalogue
label_desc: Use image node_id 1 for calling a global function with example usage: make_key(word, sense) and returns: unknown