| for conditions | 6 | cause |
| before | 6 | temporal |
| from mental stress | 4 | cause |
| fatigue → be → caused | 17 |
| fatigue → can → cause | 14 |
| fatigue → be → cause | 6 |
| fatigue → be → the cause | 3 |
| fatigue → be caused by → many factors | 3 |
| fatigue → cause → problem | 3 |
| fatigue → be → major causes | 3 |
| negative | neutral | positive |
| 0.751 | 0.234 | 0.015 |
| Raw frequency | 49 |
| Normalized frequency | 0.741 |
| Modifier score | 0.900 |
| Perplexity | 42.709 |