| Approach | F1 | CR (Ground Truth: 0.401) | 
| 3LSTM | 0.7577 | 0.3749 | 
| Bi-LSTM | 0.7510 | 0.4026 | 
| Attention | 0.7631 | 0.3711 | 
| Bi-LSTM-TA | 0.7698 | 0.3783 | 
| LSTM-Res | 0.7706 | 0.3742 | 
| LSTM-Res-Syntax | 0.7742 | 0.4025 |