| because of cf foundation support | 4 | cause |
| before | 4 | temporal |
| by exclusive patents | 3 | other |
| drug → be → possible | 30 |
| drug → be made → possible | 12 |
| drug → be → feasible | 12 |
| negative | neutral | positive |
| 0.277 | 0.488 | 0.235 |
| Raw frequency | 54 |
| Normalized frequency | 0.385 |
| Modifier score | 0.375 |
| Perplexity | 282.358 |