{
  "lexicon_neutral_bands": {
    "TextBlob": 0.15,
    "VADER": 0.3
  },
  "classical": {
    "TF-IDF + Naive Bayes": {
      "alpha": 0.3,
      "val_macro_f1": 0.7389
    },
    "TF-IDF + Logistic Regression": {
      "C": 1.0,
      "val_macro_f1": 0.7498
    }
  }
}