code: def dump_line(self, outputs):  # pylint: disable=no-self-use
      if "identifier" in outputs:
          # Returning CSV lines for official evaluation
          identifier = outputs["identifier"]
          denotation = outputs["denotations"][0][0]
          return "{identifier},{denotation}\n"
      else:
          return json.dumps(outputs) + "\n"
  
file_path: magnitude/pymagnitude/third_party/allennlp/predictors/nlvr_parser.py
imports: from __future__ import absolute_import
  import json
  from allennlp.common.util import JsonDict
  from allennlp.data import Instance
  from allennlp.predictors.predictor import Predictor
label_desc: Use image node_id 2 for calling the NlvrParserPredictor obj's underlying member method code with example usage: obj.dump_line(outputs) and returns: str, unknown