text: CONFIG = {
      "unit_name": "nlu_engine",
      "intent_parsers_configs": [
          {
              "unit_name": "deterministic_intent_parser",
              "max_queries": 100,
              "max_pattern_length": 1000,
              "ignore_stop_words": True
          },
          {
              "unit_name": "probabilistic_intent_parser",
              "slot_filler_config": {
                  "unit_name": "crf_slot_filler",
                  "feature_factory_configs": [
                      {
                          "args": {
                              "common_words_gazetteer_name":
                                  "top_200000_words_stemmed",
                              "use_stemming": True,
                              "n": 1
                          },
                          "factory_name": "ngram",
                          "offsets": [
                              -2,
                              -1,
                              0,
                              1,
                              2
                          ]
                      },
                      {
                          "args": {
                              "common_words_gazetteer_name":
                                  "top_200000_words_stemmed",
                              "use_stemming": True,
                              "n": 2
                          },
                          "factory_name": "ngram",
                          "offsets": [
                              -2,
                              1
                          ]
                      },
                      {
                          "args": {
                              "prefix_size": 2
                          },
                          "factory_name": "prefix",
                          "offsets": [
                              0
                          ]
                      },
                      {
                          "args": {
                              "prefix_size": 5
                          },
                          "factory_name": "prefix",
                          "offsets": [
                              0
                          ]
                      },
                      {
                          "args": {
                              "suffix_size": 2
                          },
                          "factory_name": "suffix",
                          "offsets": [
                              0
                          ]
                      },
                      {
                          "args": {
                              "suffix_size": 5
                          },
                          "factory_name": "suffix",
                          "offsets": [
                              0
                          ]
                      },
                      {
                          "args": {},
                          "factory_name": "is_digit",
                          "offsets": [
                              -1,
                              0,
                              1
                          ]
                      },
                      {
                          "args": {},
                          "factory_name": "is_first",
                          "offsets": [
                              -2,
                              -1,
                              0
                          ]
                      },
                      {
                          "args": {},
                          "factory_name": "is_last",
                          "offsets": [
                              0,
                              1,
                              2
                          ]
                      },
                      {
                          "args": {
                              "n": 1
                          },
                          "factory_name": "shape_ngram",
                          "offsets": [
                              0
                          ]
                      },
                      {
                          "args": {
                              "n": 2
                          },
                          "factory_name": "shape_ngram",
                          "offsets": [
                              -1,
                              0
                          ]
                      },
                      {
                          "args": {
                              "n": 3
                          },
                          "factory_name": "shape_ngram",
                          "offsets": [
                              -1
                          ]
                      },
                      {
                          "args": {
                              "use_stemming": True,
                              "tagging_scheme_code": 2
                          },
                          "factory_name": "entity_match",
                          "offsets": [
                              -2,
                              -1,
                              0
                          ],
                          "drop_out": 0.5
                      },
                      {
                          "args": {
                              "tagging_scheme_code": 1
                          },
                          "factory_name": "builtin_entity_match",
                          "offsets": [
                              -2,
                              -1,
                              0
                          ]
                      }
                  ],
                  "crf_args": {
                      "c1": 0.1,
                      "c2": 0.1,
                      "algorithm": "lbfgs"
                  },
                  "tagging_scheme": 1,
                  "data_augmentation_config": {
                      "min_utterances": 200,
                      "capitalization_ratio": 0.2,
                      "add_builtin_entities_examples": True
                  },
                  "random_seed": None
              },
              "intent_classifier_config": {
                  "unit_name": "log_reg_intent_classifier",
                  "data_augmentation_config": {
                      "min_utterances": 20,
                      "noise_factor": 5,
                      "add_builtin_entities_examples": True,
                      "max_unknown_words": None,
                      "unknown_word_prob": 0.0,
                      "unknown_words_replacement_string": None
                  },
                  "featurizer_config": {
                      "sublinear_tf": False,
                      "pvalue_threshold": 0.4,
                      "word_clusters_name": None,
                      "use_stemming": False
                  },
                  "random_seed": None
              }
          }
      ]
  }
  