| very | 10 | degree |
| on bare floors | 9 | location |
| in picking up dirt | 7 | purpose |
| vacuum → be → effective | 40 |
| vacuum → be → efficient | 19 |
| negative | neutral | positive |
| 0.056 | 0.350 | 0.594 |
| Raw frequency | 59 |
| Normalized frequency | 0.648 |
| Modifier score | 0.300 |
| Perplexity | 392.679 |