| during recent periods of time | 3 | temporal |
| calcium → be in → the diet | 6 |
| calcium → be needed in → the diet | 3 |
| calcium → be added to → the diet | 3 |
| calcium → be included in → the diet | 3 |
| negative | neutral | positive |
| 0.204 | 0.567 | 0.228 |
| Raw frequency | 15 |
| Normalized frequency | 0.265 |
| Modifier score | 1.000 |
| Perplexity | 47.652 |