| with an impeller | 4 | other |
| to discover such characters | 4 | purpose |
| fan → be → device | 13 |
| fan → use → device | 6 |
| fan → have → device | 3 |
| negative | neutral | positive |
| 0.081 | 0.620 | 0.299 |
| Raw frequency | 22 |
| Normalized frequency | 0.328 |
| Modifier score | 0.500 |
| Perplexity | 227.923 |