| accuracy | F1 | Recall | specificity |
Bi-LSTM | 90.63 | 90.63 | 92.11 | 85.19 |
Bi-LSTM-Att | 91.06 | 92.95 | 92.5 | 88.89 |
Bi-LSTM-Att-Focal loss | 95.31 | 95.32 | 93.55 | 96.97 |