code: def map_grounding():
      
      if request.method == 'OPTIONS':
          return {}
      response = request.body.read().decode('utf-8')
      body = json.loads(response)
      stmts_json = body.get('statements')
      stmts = stmts_from_json(stmts_json)
      stmts_out = ac.map_grounding(stmts)
      return _return_stmts(stmts_out)
docs: Map grounding on a list of INDRA Statements.