| to any problems with their machines | 13 | other |
| always | 7 | degree |
| doubly | 3 | degree |
| worker → be → alert | 61 |
| worker → be on → high alert | 3 |
| negative | neutral | positive |
| 0.236 | 0.515 | 0.249 |
| Raw frequency | 64 |
| Normalized frequency | 0.451 |
| Modifier score | 0.871 |
| Perplexity | 141.004 |