| to cause headaches | 2 | purpose |
| benzene → lead to → anemia | 11 |
| benzene → cause → anemia | 5 |
| benzene → be linked to → anemia | 5 |
| benzene → cause → aplastic anemia | 3 |
| negative | neutral | positive |
| 0.880 | 0.115 | 0.005 |
| Raw frequency | 24 |
| Normalized frequency | 0.585 |
| Modifier score | 0.500 |
| Perplexity | 31.650 |