| no longer | 3 | temporal |
| during prolonged co | 2 | temporal |
| surprisingly | 2 | degree |
| effect → be → observed | 46 |
| effect → be → demonstrated | 3 |
| negative | neutral | positive |
| 0.169 | 0.705 | 0.126 |
| Raw frequency | 49 |
| Normalized frequency | 0.728 |
| Modifier score | 0.095 |
| Perplexity | 52.121 |