| for weapons | 7 | purpose |
| throughout china | 3 | location |
| by 300 bc | 3 | temporal |
| iron → be → preferred | 4 |
| iron → be → the material of choice | 4 |
| negative | neutral | positive |
| 0.056 | 0.806 | 0.138 |
| Raw frequency | 8 |
| Normalized frequency | 0.180 |
| Modifier score | 0.500 |
| Perplexity | 314.584 |