| both | 4 | other |
| due to insufficient respiration | 4 | cause |
| lung → lead to → death | 11 |
| lung → be → fatal | 7 |
| lung → cause → death | 5 |
| lung → result in → death | 3 |
| negative | neutral | positive |
| 0.929 | 0.066 | 0.005 |
| Raw frequency | 26 |
| Normalized frequency | 0.511 |
| Modifier score | 0.450 |
| Perplexity | 144.074 |