| Typicality: | 0.616 |
| Saliency: | 0.630 |
| certainly | 12 | manner |
| usually | 7 | temporal |
| necessity → be seen → the appearance of an invention | 15 |
| necessity → be → invention | 15 |
| necessity → be seen → the emergence of an invention | 12 |
| necessity → be seen → the introduction of an invention | 8 |
| negative | neutral | positive |
| 0.318 | 0.635 | 0.047 |
| Raw frequency | 50 |
| Normalized frequency | 0.630 |
| Modifier score | 0.800 |
| Perplexity | 64.738 |