| by weighing returned bottles | 2 | manner |
| routinely | 2 | degree |
| twice yearly | 2 | temporal |
| vitamin d → be → monitored | 8 |
| vitamin d → be → tested | 5 |
| vitamin d → be → evaluated | 5 |
| vitamin d → be → checked | 4 |
| vitamin d → be → assessed | 3 |
| negative | neutral | positive |
| 0.115 | 0.733 | 0.151 |
| Raw frequency | 25 |
| Normalized frequency | 0.324 |
| Modifier score | 0.800 |
| Perplexity | 53.458 |