| for over three months | 3 | temporal |
| in the city | 3 | location |
| from detectable metastases | 3 | other |
| rat → be → free | 12 |
| rat → be set → free | 3 |
| negative | neutral | positive |
| 0.203 | 0.575 | 0.222 |
| Raw frequency | 15 |
| Normalized frequency | 0.287 |
| Modifier score | 0.500 |
| Perplexity | 356.953 |