| often | 9 | temporal |
| in some cases | 7 | temporal |
| on occasion | 5 | temporal |
| disease → cause → pneumonia | 58 |
| disease → lead to → pneumonia | 37 |
| disease → result in → pneumonia | 9 |
| disease → affect → pneumonia | 6 |
| disease → be caused by → pneumonia | 5 |
| disease → cause → severe pneumonia | 3 |
| disease → start with → pneumonia | 3 |
| negative | neutral | positive |
| 0.841 | 0.142 | 0.017 |
| Raw frequency | 121 |
| Normalized frequency | 0.600 |
| Modifier score | 0.633 |
| Perplexity | 173.189 |