| from mild to life-threatening | 3 | other |
| depending on the type of pneumonia | 3 | other |
| symptom → can → vary | 10 |
| symptom → can → range | 4 |
| negative | neutral | positive |
| 0.513 | 0.462 | 0.024 |
| Raw frequency | 14 |
| Normalized frequency | 0.427 |
| Modifier score | 0.500 |
| Perplexity | 119.425 |