code: def decode(s, cls=PENMANCodec, **kwargs):
      
      codec = cls(**kwargs)
      return codec.decode(s)
docs: Deserialize PENMAN-serialized *s* into its Graph object
  
      Args:
          s: a string containing a single PENMAN-serialized graph
          cls: serialization codec class
          kwargs: keyword arguments passed to the constructor of *cls*
      Returns:
          the Graph object described by *s*
      Example:
  
          >>> decode('(b / bark :ARG1 (d / dog))')
          <Graph object (top=b) at ...>