| Model | Feature Sets | F1 |
| CNN [3] | word, position, word pair, words around word pair | 79.81 |
| PCNN [4] | word, position | 81.47 |
| ATT-BiLSTM [7] | word, position | 82.59 |
| PCNN-ATT-BiLSTM | word, position, context before and after words | 82.92 |