Entities with lowercase are not recognized

Hello, i have entities in my training date with uppercase but when i parse with lowercase they are not recognized

{ “intent”: “B_Test-Entity - Food&Parser_Test-Flow-3&V24.0”,

    "entities": [

      {
        "start": 0,
        "end": 5,
        "value": "Restaurante",
        "entity": "B_food"
      }
    ],

    "text": "Sushi"
  },

My pipeline-> language: “pt”

pipeline:

  • name: “tokenizer_whitespace”

  • name: “intent_featurizer_count_vectors”

    “lowercase”: true

    “OOV_token”: None

  • name: “ner_crf”

    features: [ [“low”,“upper”], [“bias”, “low”, “prefix5”, “prefix2”, “suffix5”, “suffix3”, “suffix2”, “upper”, “digit”, “pattern”], [“low”,“upper”] ]

  • name: “intent_classifier_tensorflow_embedding”

    “random_seed”: 1

  • name: “ner_duckling_http”

    url: “http://localhost:8000” locale: “pt_PT” timezone: “Europe/London” dimensions: [“amount-of-money”,“distance”,“duration”,“email”,“phone-number”,“quantity”,“temperature”,“time”,“url”,“volume”]

for exemple:

(works fine) I want Sushi restaurants

(not working) I want sushi restaurants

I want recognize the entity in both cases