| after using antacids | 5 | temporal |
| often | 2 | temporal |
| calcium → contain → iron | 5 |
| calcium → be → iron | 4 |
| calcium → interfere with → iron | 3 |
| calcium → be combined with → iron | 3 |
| negative | neutral | positive |
| 0.234 | 0.546 | 0.220 |
| Raw frequency | 15 |
| Normalized frequency | 0.265 |
| Modifier score | 0.600 |
| Perplexity | 292.179 |