| very | 8 | degree |
| a bit | 4 | degree |
| occasionally | 3 | degree |
| night → be → difficult | 16 |
| night → be → challenging | 9 |
| night → be → tricky | 3 |
| negative | neutral | positive |
| 0.409 | 0.322 | 0.269 |
| Raw frequency | 28 |
| Normalized frequency | 0.376 |
| Modifier score | 0.680 |
| Perplexity | 77.707 |