| often | 3 | temporal |
| very | 3 | degree |
| due to lack of sleep | 2 | cause |
| nurse → be → tired | 32 |
| nurse → be → fatigued | 7 |
| nurse → get → tired | 5 |
| nurse → become → tired | 3 |
| nurse → feel → tired | 3 |
| negative | neutral | positive |
| 0.681 | 0.288 | 0.031 |
| Raw frequency | 50 |
| Normalized frequency | 0.517 |
| Modifier score | 0.450 |
| Perplexity | 200.414 |