| with debris | 7 | other |
| with the carcasses of squashed frogs | 4 | other |
| really | 4 | degree |
| road → be → littered | 17 |
| road → become → littered | 6 |
| negative | neutral | positive |
| 0.673 | 0.279 | 0.048 |
| Raw frequency | 23 |
| Normalized frequency | 0.278 |
| Modifier score | 0.533 |
| Perplexity | 205.574 |