| at high exposures | 3 | temporal |
| to cause reactions | 2 | purpose |
| in conclusion | 2 | temporal |
| chlorine → cause → asthma | 11 |
| chlorine → be linked to → asthma | 5 |
| negative | neutral | positive |
| 0.873 | 0.120 | 0.007 |
| Raw frequency | 16 |
| Normalized frequency | 0.405 |
| Modifier score | 0.500 |
| Perplexity | 56.068 |