| for surviving in the outside | 6 | purpose |
| especially | 4 | degree |
| according to arbitrary vortex flow method | 3 | other |
| fan → be → designed | 54 |
| fan → be designed in → such a way | 9 |
| negative | neutral | positive |
| 0.110 | 0.568 | 0.322 |
| Raw frequency | 63 |
| Normalized frequency | 0.501 |
| Modifier score | 0.833 |
| Perplexity | 453.855 |