| usually | 4 | degree |
| to ensure proper rigidity | 4 | purpose |
| rail → be made of → steel | 18 |
| rail → be → steel | 11 |
| rail → be made from → steel | 8 |
| negative | neutral | positive |
| 0.081 | 0.761 | 0.159 |
| Raw frequency | 37 |
| Normalized frequency | 0.672 |
| Modifier score | 0.825 |
| Perplexity | 43.505 |