| from magnesium alloy | 9 | other |
| from wood | 5 | other |
| from carbon | 4 | other |
| riser → be → built | 13 |
| riser → be → constructed | 12 |
| riser → be → designed | 4 |
| negative | neutral | positive |
| 0.039 | 0.756 | 0.206 |
| Raw frequency | 29 |
| Normalized frequency | 1.000 |
| Modifier score | 0.850 |
| Perplexity | 285.740 |