| clearly | 7 | degree |
| properly | 4 | degree |
| in existing installations | 4 | location |
| door → be → marked | 32 |
| door → be marked with → sign | 6 |
| negative | neutral | positive |
| 0.202 | 0.662 | 0.136 |
| Raw frequency | 38 |
| Normalized frequency | 0.303 |
| Modifier score | 0.889 |
| Perplexity | 284.133 |