| Typicality: | 0.352 |
| Saliency: | 0.445 |
| over time | 18 | temporal |
| for several reasons | 14 | cause |
| from smoking | 8 | cause |
| tooth → become stained over → time | 42 |
| tooth → be capable of → becoming stained over time | 14 |
| tooth → become → more stained | 12 |
| tooth → be stained over → time | 8 |
| tooth → get stained over → time | 8 |
| tooth → become stained over → year | 5 |
| tooth → get stained over → year | 4 |
| negative | neutral | positive |
| 0.529 | 0.400 | 0.071 |
| Raw frequency | 93 |
| Normalized frequency | 0.445 |
| Modifier score | 0.500 |
| Perplexity | 99.003 |