code: def s(word, seq, suffix="s"):
      """Adds a suffix to ``word`` if some sequence has anything other than
      exactly one element.
  
      Parameters
      ----------
      word : str
          The string to add the suffix to.
      seq : sequence
          The sequence to check the length of.
      suffix : str, optional.
          The suffix to add to ``word``
  
      Returns
      -------
      maybe_plural : str
          ``word`` with ``suffix`` added if ``len(seq) != 1``.
      """
      if len(seq) == 1:
          return word
  
      return word + suffix
  
label_desc: Use image node_id 1 for calling a global function with example usage: s(word, seq, suffix) and returns: unknown, word