docs: def _from_dict(cls, _dict):
          """Initialize a SentenceAnalysis object from a json dictionary."""
          args = {}
          if 'sentence_id' in _dict:
              args['sentence_id'] = _dict.get('sentence_id')
          else:
              raise ValueError(
                  'Required property \'sentence_id\' not present in SentenceAnalysis JSON'
              )
          if 'text' in _dict:
              args['text'] = _dict.get('text')
          else:
              raise ValueError(
                  'Required property \'text\' not present in SentenceAnalysis JSON'
              )
          if 'tones' in _dict:
              args['tones'] = [
                  ToneScore._from_dict(x) for x in (_dict.get('tones'))
              ]
          if 'tone_categories' in _dict:
              args['tone_categories'] = [
                  ToneCategory._from_dict(x)
                  for x in (_dict.get('tone_categories'))
              ]
          if 'input_from' in _dict:
              args['input_from'] = _dict.get('input_from')
          if 'input_to' in _dict:
              args['input_to'] = _dict.get('input_to')
          return cls(**args)