| Typicality: | 0.500 |
| Saliency: | 0.450 |
| often | 16 | temporal |
| to have an impact | 9 | purpose |
| for some materials | 3 | purpose |
| process → take → many years | 100 |
| process → taken → many years | 4 |
| process → taken → several years | 4 |
| process → span → many years | 3 |
| process → require → many years | 3 |
| negative | neutral | positive |
| 0.379 | 0.512 | 0.109 |
| Raw frequency | 114 |
| Normalized frequency | 0.450 |
| Modifier score | 0.680 |
| Perplexity | 64.657 |