| Typicality: | 0.419 |
| Saliency: | 0.397 |
| from 1991 | 4 | temporal |
| not long | 4 | temporal |
| progressively | 2 | manner |
| engine → be → introduced | 35 |
| negative | neutral | positive |
| 0.061 | 0.752 | 0.187 |
| Raw frequency | 35 |
| Normalized frequency | 0.397 |
| Modifier score | 0.500 |
| Perplexity | 228.215 |