| to draw in dirty air | 4 | purpose |
| with an adjustable speed | 3 | manner |
| machine → use → fan | 14 |
| machine → have → fan | 14 |
| machine → have → the fan | 6 |
| machine → built in → fan | 4 |
| machine → be → fan | 3 |
| negative | neutral | positive |
| 0.123 | 0.613 | 0.265 |
| Raw frequency | 41 |
| Normalized frequency | 0.430 |
| Modifier score | 0.860 |
| Perplexity | 184.925 |