| during their tasks | 10 | temporal |
| physically | 4 | manner |
| after toiling for 12 hours | 3 | temporal |
| worker → be → exhausted | 32 |
| worker → become → exhausted | 11 |
| negative | neutral | positive |
| 0.729 | 0.245 | 0.026 |
| Raw frequency | 43 |
| Normalized frequency | 0.392 |
| Modifier score | 0.780 |
| Perplexity | 54.098 |