| very | 6 | degree |
| really | 6 | degree |
| due to special, advanced iron processing | 4 | cause |
| compound → be → hard | 16 |
| compound → be → difficult | 7 |
| compound → be → tough | 5 |
| negative | neutral | positive |
| 0.363 | 0.461 | 0.176 |
| Raw frequency | 28 |
| Normalized frequency | 0.447 |
| Modifier score | 0.825 |
| Perplexity | 447.111 |