| patent → be related to → drug | 5 |
| patent → be related to → the drug | 5 |
| patent → relate to → drug | 4 |
| patent → relate to → the drug | 3 |
| negative | neutral | positive |
| 0.147 | 0.781 | 0.072 |
| Raw frequency | 17 |
| Normalized frequency | 0.251 |
| Modifier score | 0.500 |
| Perplexity | 90.812 |