| from structural failure | 18 | other |
| under normal and intended use | 14 | other |
| from grime | 5 | other |
| wheel → be → free | 63 |
| wheel → come → free | 3 |
| negative | neutral | positive |
| 0.071 | 0.538 | 0.391 |
| Raw frequency | 66 |
| Normalized frequency | 0.517 |
| Modifier score | 0.967 |
| Perplexity | 152.079 |