| Typicality: | 0.344 |
| Saliency: | 0.426 |
| to come | 25 | temporal |
| certainly | 11 | manner |
| ahead | 6 | temporal |
| mattress → last for → many years | 28 |
| mattress → last for → several years | 19 |
| mattress → last → many years | 8 |
| mattress → last → a number of years | 3 |
| mattress → last → more than a few years | 3 |
| negative | neutral | positive |
| 0.043 | 0.327 | 0.630 |
| Raw frequency | 61 |
| Normalized frequency | 0.426 |
| Modifier score | 0.500 |
| Perplexity | 30.977 |