| for a long time | 8 | temporal |
| really | 3 | degree |
| to obtain them | 3 | purpose |
| patient → need → drug | 20 |
| patient → need → the drug | 12 |
| patient → require → drug | 3 |
| negative | neutral | positive |
| 0.367 | 0.502 | 0.131 |
| Raw frequency | 35 |
| Normalized frequency | 0.431 |
| Modifier score | 0.678 |
| Perplexity | 126.413 |