docs: def get_raw(tree):
      """Get the exact words in lowercase in the tree object.
      
      Args:
          tree (Tree): Parsed tree structure
      Returns:
          Resulting string of tree ``(Ex: "The red car")``
      """
      if isinstance(tree, Tree):
          words = []
          for child in tree:
              words.append(get_raw(child))
          return ' '.join(words)
      else:
          return tree