| because of four reports | 13 | cause |
| sufficiently quickly | 4 | manner |
| voluntarily | 3 | manner |
| recall → be → conducted | 36 |
| recall → be → made | 36 |
| recall → take → place | 35 |
| recall → be → undertaken | 9 |
| recall → be → implemented | 4 |
| recall → be → administered | 3 |
| recall → be → attempted | 3 |
| negative | neutral | positive |
| 0.322 | 0.624 | 0.054 |
| Raw frequency | 126 |
| Normalized frequency | 0.777 |
| Modifier score | 0.386 |
| Perplexity | 110.520 |